We have heard that we are a product of our DNA. Specific genes in the
chromosomes we inherit from our parents help determine the traits we
inherit. Using the illustration identify the letters that represent the
three structures mentioned: DNA, chromosome, and gene
Answers
Answer:
A.) A.DNA; D.Chromosome; E.Gene
Explanation:
The human genome is made up of 23 pairs of chromosomes that are found in the cell's nucleus and one tiny chromosome that is found in the mitochondria. Everything a person needs to grow and operate is encoded in their genome.
What is the genome organization in cell?The single linear bits of DNA that make up genomic DNA are connected to a protein called a nucleoprotein complex.
Chromosomes are made of a DNA-protein complex, and the 23 chromosomes found in the cellular nucleus are where almost all the genomic DNA is dispersed.
A genomic organization is the division of DNA molecules into chromosomes and their linear arrangement.
In addition to the three-dimensional structure of chromosomes, “genome organization” can also refer to the arrangement of DNA sequences inside the nucleus.
Therefore, A.DNA; D. Chromosome; E. Gene
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Related Questions
Why is it important to warm up your muscles before a work out
Answers
Answer:
So you don't pull a muscle
Explanation:
boo ya
What is the primary (main) function of lipid molecules in the plasma membrane?
- To provide an energy source for most cell activities.
- To provide a substance for enzyme activity in the cell.
- To provide a place to collect and store waste products within the cell.
-To provide a barrier to the movement of substances in and out of the cell.
Answers
Answer:
to provide a barrier to the movement of substances in and out of the cell
Explanation:
Lipid molecules in the plasma membrane form a lipid bilayer which creates a semi-permeable barrier between the inside and the outside of the cell. Water and small molecules can cross the membrane. Other large molecules like ions cannot.
Hope that helps.
do all cells use the energy that is stored in ATP
Answers
Answer:
yes all of them cause they need transportation and respiration (cellular)
hope it helps mate
take care
mark me BRAINLIEST ❤️❤️❣️❣️❤️❤️
which of the following statements is FALSE?
a. alleles are made when one original DNA strand experiences mutations that result in phenotypes that offer advantages
b. the DNA of two alleles must be almost identical. since the trait is the same. But the effect of the allele may be very different!
c. in humans, for every trait we can only have two alleles. but that trait can be controlled by many alleles. there are no limits on how many alleles can control a trait.
d. being diploid means that humans cannot mask the effects of recessive alleles. humans always show both alleles in their phenotypes and genotypes
e. if humans were diploid we would only have one allele per trait
Helpppp pleaseee
Answers
Answer:
d. being diploid means that humans cannot mask the effects of recessive alleles. humans always show both alleles in their phenotypes and genotypes
Explanation:
Being diploid means humans carry two sets of chromosomes. Since we have both dominant and recessive gene types, humans can mask the effect of recessive alleles since the dominant trait will be seen in the phenotype or genotype since it is a dominant gene. The effect of the recessive allele will show up only if both diploid genes are recessive.
Scientists have observed many types of tropical fish moving beyond their traditional ocean ranges into waters that have historically been more temperate. These fish compete for food with native fish, consuming much from the kelp forests and beds of sea grass. The expansion of the ranges of tropical fish was most likely caused by — *
A-global droughts that raise the salt concentration of ocean waters
B-the rising temperatures of ocean waters
C-agricultural runoff that contributes to dead zones in the ocean
D-acid rain pollution that lowers the pH of ocean waters
Answers
Answer:
Raising Temps
B
Explanation:
Which of the following is an example of phagocytosis? : A cell takes in large amounts of water. A cell in the thyroid gland secretes a product to the outside. the sodium-potassium pump uses ATP energy to move ions. An amoeba wraps its membrane around a small unicellular organism to eat it.
Answers
Answer:
An amoeba wraps its membrane around a small unicellular organism to eat it.
Explanation:
What is one way that Earth's ocean currents help regulate global climate?
A.
by creating an uneven distribution of the Sun's energy across Earth's surface
B.
by moving warm water and precipitation from the Equator toward the poles
C.
by carrying cold water and floating ice from the Equator toward the poles
D.
by transmitting sunlight from the ocean surface to the ocean floor
Answers
By moving warm water and precipitation from the equator to the poles and cold water from the poles back to the tropics, ocean currents function much like a conveyor belt, hence option B is correct.
What are Earth's ocean currents?Global climate is regulated by ocean currents, which also assist to balance out the unequal distribution of solar energy hitting Earth's surface.
Sunlight energy is absorbed and stored by the ocean, which controls the temperature of the Earth's atmosphere. More than half of the solar energy that reaches Earth's surface is absorbed by the ocean, which both absorbs and releases heat more slowly than land.
By moving warm water and precipitation from the equator to the poles and cold water Global climate is regulated by currents, which assist balance out the unequal distribution of solar energy that reaches the surface of the Earth.
Therefore, by moving warm water and precipitation from the equator to the poles and cold water from the poles back to the tropics, hence option B is correct.
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what are two reasons why a lizard is living
Answers
Observation of Diffusion Rate in Relation to Cell Size
As you have observed, cells are small. Consider your little toe: it is made of about 2-3 billion
cells! A newly-made cell will grow, but once it reaches a certain size it will divide to form two
new cells rather than growing bigger. Why is this? Why aren't you made of a few dozen, or a
few hundred cells, instead of trillions? Why don't single-celled organisms like amoebas and paramecia grow
as big as a human? In this lab, we will investigate this question using model cells.
Answers
Explanation:
new cells rather than growing bigger. Why is this ?
There are two main reasons why cells divide rather than continuing to grow larger and larger: ... If the cell grows too large, it will have trouble moving enough nutrients and wastes across the cell membrane. Cell Division. Cell division is the process by which cellular material is divided between two new daughter cells.
Why aren't you made of a few dozen, or a
few hundred cells, instead of trillions?
if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume. When this happens, the cell must divide into smaller cells with favorable surface area/volume ratios, or cease to function. That is why cells are so small.
Why don't single-celled organisms like amoebas and paramecia grow
as big as a human? again The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.
i belive this is just the introduction to the project but here
Energy conversion within a plant cell would be limited most severely by removal of the cell's - A mitochondria B chloroplasts C ribosomes D endoplasmic reticulum
Answers
Answer:
The answer is Mitochondria. I took the test and that's the correct answer.
Energy conversion within a plant cell would be limited most severely by removal of the cell's by mitochondria.
What is mitochondria?Mitochondria are membrane-bound organelles (mitochondrial, singular) that produce most of the chemical energy required for biochemical reactions in cells.
The chemical energy produced by mitochondria is stored in a small molecule called adenosine triphosphate (ATP).
Mitochondria contain their own small chromosomes. In general, mitochondria, and thus mitochondrial DNA, are inherited only from the mother.
Therefore, Energy conversion within a plant cell would be limited most severely by removal of the cell's by mitochondria.
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PLEASE Help me on these questions from the movie osmosis jones
9. What causes an increase in nasal secretions?
11. How does the body detect foreign invaders?
13. Explain the defense mechanism of Osmosis Jones.
17. How and where was the antihistamine disposed of?
19. What kind of WBC is Osmosis Jones?
23. What did Osmosis Jones retrieve to save the Father?
24. What is the moral of the story?
Answers
Answer:
9. Infection
19. He's a lymphocyte
23. I think Immunity
24. The moral of the story is to take care off your body even if you don't feel motivated too
(ik this isn't all of the questions answered but i hope that some of these help!)
Cells divide at different rates. Skin cells divide __________. Liver cells divide ____________. Bone marrow, stomach and intestine lining cells divide _____________.
a. never, continuously, sometimes
b. very often, sometimes, continuously
c. continuously, sometimes, never
d. sometimes, never, continuously
Question 2
What are the 2 key molecules that control and coordinate the cell cycle?
a. DNA and RNA
b. CDK and Cyclin
c. Cyclin and mitochondria
d. Apoptosis and CDK
Question 3
A cell dies and the cell next to it enters G1 phase. Which activity would happen next?
a. Chromosome duplication
b. Cell destruction
c. Cell growth
d. Chromosome separation
Question 4
At the end of G1 in Checkpoint 1, what 2 things are checked in order for the cell to proceed into the S phase1?
a. cell growth and DNA check
b. cell growth and chromosome duplication
c. cell division and DNA check
d. cell growth and cell division
Question 5
At the end of S phase in Checkpoint 2, what 2 things are checked in order for the cell to proceed into the G2 phase?
a. chromosome duplication and cell division
b. cell growth and chromosome duplication
c. cell division and DNA check
d. cell growth and cell division
Question 6
At the beginning of mitosis in Checkpoint 2, what is checked in order for the cell to proceed mitosis?
a
cell growth
b
cell division
c
chromosomes are attached to spindles
d
chromosome duplication
Question 7
What happens when the cell “supervisors” CDK and Cyclins do not work correctly?
a
The cell can become cancerous.
b
The cell is completley normal.
c
Damaged cells are destroyed.
d
The damage in the cell is repaired.
Question 8
Which of these must occur during S phase of the cell cycle so that two daughter cells can be produced during M phase?
a
The DNA must be replicated.
b
The cell membrane must be expanded.
c
The cytoplasm must be separated.
d
The chromosomes must be joined.
Question 9
This final process of cellular division where the cytoplasm is divided into two cells is called
a
Cytokinesis
b
Meiosis
c
Mitosis
d
Interphase
Question 10
Which of the following activities occurs in between the two gap phases (G1 and G2)?
a
Replication of DNA
b
Growth of the cell
c
formation of mitotic spindle
d
breakdown of nuclear membrane
Question 11
If a dog (canis familiaris) has 78 chromosomes in each of its body cells, how many chromosomes will be in each daughter cell after mitosis?
a
78
b
39
c
26
d
156
Question 12
The stages of mitosis occur in which of the following orders?
a
A-P-M-T
b
T-A-M-P
c
P-M-A-T
d
M-T-P-A
Question 13
Before DNA can replicate the DNA molecule separates into two strands, which are then used to construct 2 identical strands of DNA. This process ensures that the
a
parent cells use little ATP
b
mitochondria are genetically identical to chloroplasts
c
cytoplasm is in equillibrium
d
daughter cells are genetically identical to parent cells
Question 14
Which of the following organelles organizes the movement of chromosomes during mitosis?
a
endoplasmic reticulum
b
lysosome
c
centriole
d
peroxisome
Question 15
G1 Phase, S Phase, and G2 Phase are all parts of -
a
Mitosis
b
Interphase
c
Cytokinesis
d
Telophase
Answers
Answer:
umm sorry umm i just forgot what was the answer
Explanation:
Which of the following best describes an ecosystem in a neighborhood garden?
Answers
Answer:What do biologist call an ecosystem that has reached its maximum potential? ... Darwinʼs views are no longer accepted by the scientific community. ... Which of the following best defines the ecological interaction between the honeyguide bird and the honey badger? ... Rabbits and deer eat lettuce leaves from a garden.
Explanation:
HELP ASAP, ITS TIMED
Bacteria and fungi are considered as:
Select one:
a. omnivore.
b. decomposer.
c. herbivores.
d. carnivore
Answers
Answer:
B
Explanation:
Frogs have 13 pairs of chromosomes. Complete this model by writing in the correct number of chromosomes for the sperm, egg, and fertilized egg of a frog. Then write in the type of cell division taking place in the two phases shown in the model.
Answers
Answer:
Explanation:+13 chromosome from sperm +13 chromosome from egg equals 26 chromosomes for fertilized egg Cell division for growth is mitosis.
Explanation:
In an ecosystem, which list of organisms is in the correct order from producer to top-level consumer? (20 points)
A. field mouse, grass, hawk, snake
B. snake, field mouse, hawk, grass
C. grass, field mouse, snake, hawk
D. snake, grass, field mouse, hawk
Answers
Have a great day!
C. grass, field mouse, snake, hawk
An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the system through photosynthesis and is incorporated into plant tissue.
List of organisms that are in the correct order from producer to top-level consumer is C. grass, field mouse, snake, hawk.
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The cell theory applies to all organisms, including the five shown below. Which of the following statements describes how these organisms are an example of the cell theory? A. The organisms have cells that lack a nucleus. B. The organisms are made of one or more cells. C. The cells of the organisms undergo photosynthesis. D. The cells of the organisms are identical to each other.
Answers
Answer:
Its B
Explanation:
ALl of the cells are made from cells so that is the answer hope this helps :)
Which statement describes the relationship between plants, animals, and the carbon cycle?
O Plants use carbon and release oxygen, and animals release carbon and use oxygen.
O Animals fix carbon and release oxygen, and plants release carbon and use oxygen.
Animals fix carbon through respiration, and plants fix carbon through photosynthesis.
Plants use carbon when they decompose, and animals release carbon when they decompose.
Answers
Answer:
Plants use carbon and release oxygen, and animals release carbon and use oxygen.
Explanation:
The statement that accurately describes the relationship between plants, animals, and the carbon cycle is:
Plants use carbon and release oxygen, and animals release carbon and use oxygen.
Why do plants use carbon and release oxygen?Plants play a crucial role in the carbon cycle through the process of photosynthesis. They absorb carbon dioxide (CO2) from the atmosphere and use it, along with sunlight and water, to produce carbohydrates and release oxygen as a byproduct. This process helps to remove carbon from the atmosphere and convert it into organic compounds.
On the other hand, animals (including humans) obtain energy by consuming plants or other animals. During respiration, animals take in oxygen and release carbon dioxide as a waste product. This carbon dioxide is then released back into the atmosphere, where it can be used by plants for photosynthesis.
Therefore, plants contribute to the reduction of atmospheric carbon dioxide levels by using carbon during photosynthesis and releasing oxygen, while animals contribute to the carbon cycle by releasing carbon dioxide during respiration and utilizing oxygen.
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what is sustainable development
Answers
Answer and Explanation
__________________________________________________________
According to UNESCO,
Sustainable development is the overarching paradigm of the United Nations. The concept of sustainable development was described by the 1987 Bruntland Commission Report as “development that meets the needs of the present without compromising the ability of future generations to meet their own needs.”
__________________________________________________________
There are four dimensions to sustainable development – society, environment, culture, and economy – which are intertwined, not separate. Sustainability is a paradigm for thinking about the future in which environmental, societal, and economic considerations are balanced in the pursuit of improved quality of life. For example, a prosperous society relies on a healthy environment to provide food and resources, safe drinking water, and clean air for its citizens.
__________________________________________________________
One might ask, what is the difference between sustainable development and sustainability? Sustainability is often thought of as a long-term goal (i.e. a more sustainable world), while sustainable development refers to the many processes and pathways to achieve it (e.g. sustainable agriculture and forestry, sustainable production and consumption, good government, research and technology transfer, education and training, etc.).
__________________________________________________________
Hope this helps! <3
__________________________________________________________
Answer:
the development which meed the future need without compromising present generation need is called sustainable developments.
Explanation:
hopeit helps
Which of the following parts of a Chick-Fil-A meal is an example of a lipid?
The chicken in the chicken sandwich
The peanut oil used to fry the waffle fries.
The potato in the waffle fries
The bread in the sandwich
Answers
A LIPIDS is a fatty acid, this also includes natural oils and waxes. Usually meat has lipids.
Choice B is incorrect because fries don’t have meat which don’t have any lipids
Choice C is incorrect because potato have no meat so there is not any lipids
Choice D is incorrect because bread has no meat so there is not any lipids
Choice A is correct because meat has lipids
CORRECT ANSWER:
A) The chicken in the chicken sandwich
Hope this helps!!
Brainliest??
When members of a community work to preserve their unique cultural traits, they are trying to protect their __________. A. universal culture B. cultural region C. popular culture D. local culture Please select the best answer from the choices provided A B C D Mark this and return
Answers
Answer:
D. Local culture
Explanation:
hope this helps :)
Which endocrine gland is indicated by the arrow?
pineal gland
adrenal gland
hypothalamus
ovary
Answers
Answer:
adrenal gland
Explanation:
Answer:
adrenal gland
Explanation:
What keeps cells from growing indefinitely?
Answers
Answer:
Apoptosis
Explanation:
Apoptosis is a process that some cells go through when their embryo divides. It is programmed cell death. Apoptosis can help protect organisms from developing cancerous growths, or the uncontrolled growth/division of cells.
Well Cells are limited in size because the outside (the cell membrane) must transport the food and oxygen to the parts inside. As a cell gets bigger, the outside is unable to keep up with the inside, because the inside grows a faster rate than the outside.
The epithelial tissues are so important they have the ability to ______________________ _____________________ to initiate ______________________.
Answers
Answer:
• covers the body and makes up inner lining
• protects against damage, dust, bacteria
Explanation:
Jigar knows that there is a pest destroying crops in his field. He wants to find out where the insect has spread in his field. The circles marked in the boxes represent the plants that are chosen as samples. Which pattern for collecting 10 plants would provide the best data on the spread of this insect?
Answers
Answer:
D
Explanation:
Which statement accurately describes the relationship between weight and
mass?
A. Weight is an object's mass multiplied by its diameter.
B. Mass is an object's weight multiplied by the amount of
gravitational force acting on that object.
C. Mass is an object's weight multiplied by its diameter.
ОО
D. Weight is an object's mass multiplied by the amount of
gravitational force acting on that object.
Answers
Answer:
C
Explanation:
Fill in the missing mRNA bases sequence that corresponds to the DNA base sequence - CAC GTG GAC TGA
Fill in the missing amino acid sequence that corresponds to the DNA base sequence CAC GTG GAC TGA
Answers
Answer:
mRNA: GUG CAC CUG ACU
amino acids: VAL HIS LEU THR
Explanation:
The missing RNA base sequence to the DNA base sequence: CAC GTG GAC TGA is GUG CAC CUG ACU respectively.
The missing amino acids to the DNA base sequence CAC GTG GAC TGA is VAL HIS LEU THR respectively.
What are amino acids?Amino acids are organic compounds made up of amino and carboxylic groups.
Amino acids are the primary building blocks of protein.
There are 20 amino acids are present.
Thus, The missing RNA base sequence to the DNA base sequence: CAC GTG GAC TGA is GUG CAC CUG ACU respectively.
The missing amino acids to the DNA base sequence CAC GTG GAC TGA is VAL HIS LEU THR respectively.
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Can u guys help me answering the following Test Guide and using complete sentences
TEST: CELLS AND CELL PROCESSES
REVIEW WORKSHEET
WHAT DO I NEED TO KNOW?
ROBERT HOOK’S CONTRIBUTION TO CELL BIOLOGY__________________
3 PARTS OF THE CELL THEORY __________________________________________________________________________________________________________________________
MAIN DIFFERENCE BETWEEN EUKARYOTIC AND PROKARYOTIC CELLS __________________________________________________________________________________________________________________________
WHAT IS TRUE ABOUT ALL BACTERIA?___________________________________________________
DIFFERENCE BETWEEN LYTIC AND LYSOGENIC CYCLE OF VIRUS REPRODUCTION _______________________________________________________________________________________________________________________________________________________________________________________
NAMING BACTERIA STREPTO VS. STAPHLYO
MOST IMPORTANT JOB OF ALL BACTERIA ________________________
BE FAMILIAR WITH PHOSPHOLIPID ORIENTATION IN FLUID MOSAIC MODEL OF CELL MEMBRANE……WHAT IS PHOSPHATE HEAD ATTRACTED TO? THE LIPID TAIL? __________________________________________________________________________________________________________________________
FUNCTION OF CHOLESTEROL IN THE MEMBRANE ___________________________________________________________
DIFFERENCE BETWEEN CHROMATIN AND CHROMOSOME __________________________________________________________________________________________________________________________
ORGANELLES IN PLANT CELLS NOT SEEN IN ANIMAL CELLS _____________________________________________________________
YOU MUST BE FAMILIAR WITH ALL ORGANELLES ASSOCIATED WITH PLANT AND ANIMAL CELLS AND HAVE AN IDEA ABOUT THEIR FUNCTION
THE RULE FOR OSMOSIS IN TERMS OF SOLVENT AND SOLUTE __________________________________________________________________________________________________________________________
MOVING DOWN A CONCENTRATION GRADIENT MEANS WHAT ____________________________________________________________
WHAT FACILIATED DIFFUSION IS __________________________________________________________________________________________________________________________
CHARACTERISTICS OF PASSIVE AND ACTIVE TRANSPORT AND THE SODIUM POTASSIUM PUMP AS AN EXAMPLE OF ACTIVE TRANSPORT______________________________________________________________________________________________________________________________________________________________________________
HYPERTONIC VS. HYPOTONIC VS. ISOTONIC SOLUTIONS __________________________________________________________________________________________________________________________
CYTOLYSIS, CRENATION, PLASMOLYSIS_______________________________________________________________________________________________________________
ENDOCYTOSIS, PHAGOCYTOSIS, PINOCYTOSIS, EXOCYTOSIS _______________________________________________________________________________________________________________________________________________________________________________________
EMBRYONIC VS. ADULT SOMATIC STEM CELL GENERAL CHARACTERISTICS______________________________________________________________________________________________________________________________________________________________________________________________________________________________________
SOMATIC CELLS VS GAMETES _____________________________________
ANOTHER NAME FOR A FERTILIZED EGG_______________________
CHARACTERISTICS OF GERM LAYERS: ECTODERM, MESODERM, AND EDODERM _______________________________________________________________________________________________________________________________________________________________________________________
PROBLEM SOLVING REGARDING TONICITY SOLUTIONS: CALCULATING PERCENTATGES OF SOLVENT AND SOLUTE BOTH INSIDE AND OUTSIDE THE CELL; DETERMINING THE MOVEMENT OF WATER WITH ARROWS, LABELING THE SOLUTION
Answers
Answer:
Robert Hooke is known for the first use of the word cell in the sense of a basic unit of organisms (describing the microscopic cavities in cork)
Plants are made of cells, Animals are made of cells, Cells produce other cells.
Eukaryotic have a nucleus meanwhile prokaryotic lacks of it.
Bacteria are prokaryotes
Cholesterol stabilize the cell membrane, less fluid at higher temp and less solid at lower temp.
Chromatin consists of the unravelled condensed structure of DNA for the purpose of packaging into the nucleus whereas chromosome consists of the highest condensed structure of the DNA doublehelix for the proper separation of the genetic material
Plant cell have cell wall, chloroplasts, plastids, and a central vacuole
Refers to going from regions of high concentration of some entity to regions of low concentration, and such movement generally occurs spontaneously,
Facilitated diffusion is the diffusion of molecules assisted by transport proteins
Passive transport no needs energy, move molecules trough phospholipid bilayer
Active transport needs energy, move molecules trough membranes
Endocytosis engulf substances and form vesicles (into the cell) (active transport)
Phagocytosis cell eats solid particles or big substances
Pinocytosis is the cell drinking, liquid substances
Exocytosis vesicles move through the plasma membrane, release the contents (outside the cell) (active transport)
Animal and plant cell organelles: nucleus, nuclear membrane, nucleoplasm, nucleolus, cillia, flagella, Rough Endoplasmic Reticulum, Smooth Endoplasmic Reticulum, Golgi apparatus, plasma membrane, vesicles, lysosomes, peroxisomes, centrioles, mitochondria, cytoplasm, cytosol, cytoskeleton, ribosomes, vacuoles, cell wall, chloroplasts.
Another name for a fertilized egg is zygote
Hope it helps :)
what stages are part of the process that animals use to get their energy
Answers
The process in which oxygen and glucose undergo a complex series of chemical reactions inside cells, releasing energy. Fermentation: The process by which cells release energy by breaking down food molecules without using oxygen
giving brainliest!
How would an organism most likely respond to extremely cold temperatures? (4 points)
A. Blood vessels would constrict to reduce heat loss through negative feedback.
B. Blood vessels would dilate to transfer heat to more areas of the body through positive feedback.
C. Cold receptors would signal the body to retain heat through positive feedback.
D. As the organism uses energy, body temperature would decrease through negative feedback.
Answers
Explanation:
the answer is A..........
An organism most likely would respond to an extremely cold temperature as the blood vessels would constrict to reduce the heat loss through the negative feedback. Thus, the correct option is A.
How does an organism adapt to cold temperature?Adaptations are the changes in the body of a living organism which help them to survive better in a particular set of environmental condition such as hot temperature, cold temperature, etc.
In cold temperature, Shivering is an adaptation in which the nerve impulses are sent by the hypothalamus of the brain to the skeletal muscles to bring about rapid contractions which generate heat and this helps the body in staying warm. Shivering therefore helps an organism in raising the body temperature. Increase in the metabolic rate, the liver produces extra amount of heat in order to raise the temperature of the body.
An organism most likely respond to cold temperature as the blood vessels constrict to reduce the heat loss through negative feedback.
Therefore, the correct option is A.
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