A. Primary consumer
Explanation:
Primary consumers make up the second trophic level. They are also called herbivores. They eat primary producers—plants or algae—and nothing else. For example, a grasshopper living in the Everglades is a primary consumer.
A person who is having problems with blood flowing through their blood vessels to and from their heart is having problems with which major body system digestive system reproductive system circulatory system nervous system
The digestive system is a major body system affected by blood vessels and heart problems. thus option C is correct.
What is the circulatory system?To obtain oxygen into the blood, the circulatory system (cardiovascular system) pumps blood from the heart to the lungs. The remainder of the body receives oxygenated blood from the heart via arteries. Oxygen-depleted blood is returned to the heart by veins to restart circulation.
Heart and blood vessels problem directly affect the circulatory system. Blood vessel disease (Vasculopathy) The blood arteries that transport oxygen and nutrients throughout your body and eliminate waste from your tissues are affected by vascular disease (also known as vasculopathy). Plaque, which is composed of fat and cholesterol, slows or obstructs blood flow in your arteries and veins, causing common vascular issues.
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Answer:
C: The digestive system is a major body system affected by blood vessels and heart problems
Explanation:
Which statement regarding rigor mortis in fish is true? Group of answer choices Rigor mortis can last anywhere from 10 to 15 minutes depending on the species, temperature, and condition of the fish when caught. During rigor mortis, the water-holding capacity of the proteins is decreased, which makes fish flesh juicier than that of fish that have not undergone rigor mortis. Cooking fish prior to rigor mortis results in a tough-textured flesh. The stronger the rigor mortis is, the more delicate and desirable the texture of the flesh.
The true statement regarding rigor mortis in fish is as follows: Rigor mortis can last anywhere from 10 to 15 minutes depending on the species, temperature, and condition of the fish when caught.
What is rigor mortis?Rigor mortis is a temporary stiffness of a body's muscles and joints following death.
Rigor mortis occurs in fish after the fish dies. The symptoms are as follows:
Harder textureContraction of musclesHowever, the appearance of the fish experiencing rigor mortis is dependent on the species of the fish.
Therefore, the true statement regarding rigor mortis in fish is as follows: Rigor mortis can last anywhere from 10 to 15 minutes depending on the species, temperature, and condition of the fish when caught.
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What do we need from producers in order
to sustain all living organisms on Earth?
A. Producers need to harness solar energy.
B. Producers need to release energy.
C. Producers need to release carbon dioxide.
D. Producers need to break down energy from food. What is the answer
Answer:
d
Explanation:
Which element is found in nucleic acids but not in amino acids
a. carbon
b. hydrogen
c. nitrogen
d. phosphorus
Answer:
d. phosphorus
Explanation:
Phosphorus is the only element that is identified with nucleic acids.
Hope This Helped
Substance A has a specific heat capacity of 0.452 J/g℃, Substance B has a specific heat capacity of 2.64 J/g℃. If an equal mass of both substances at room temperature was placed in a heated room, which substance would you expect to heat up faster?
Substance A or B?
The substance would you expect to heat up faster is Substance A, which has a specific heat capacity of 0.452 J/g℃.
What is specific heat capacity?The specific heat capacity is the amount of heat necessary to elevate 1 degree 1 kg of the substance. Its unity is J/gºC. We can calculate the heat that changes the temperature of a substance by the equation:
Q = mcΔT
Where Q is the heat, m is the mass, c is the specific heat capacity, and ΔT is the change in the temperature.
Thus, Substance A, has a specific heat capacity of 0.452 J/g℃.
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Explain what type of ratio is needed to have maximum efficiency for the cel
Answer:
surface area to volume (SA:V) is the ratio that is needed to have maximum efficiency for the cell
How many independent variables should you test at a time?
A two
B one
C as many as you want
D three
Answer:
b - one
Explanation:
testing only 1 independent variable at a time ensures that one factor causes a change in your dependent variable
testing more than 1 makes it unclear which independent variable caused a change in the dependent variable
Why isa DNA replication regarded as semi conservative?
Answer:
each helix that is created contains one strand from the helix from which it was copied.
Explanation:
Plants growing in the dark start to fall over because they can no longer
support their own weight. Students want to find out why this is happening.
Which of these is a good hypothesis for an investigation of the problem?
OA. The plants need to absorb glucose from the soil so they can have
more energy.
OB. The plants should start using protein in order to support their
bodies.
OC. The plants need sunlight so they can produce more cellulose for
support.
OD. The plants need more water in order to keep their cellulose from
breaking down.
Answer: B
Explanation: its ez
Question 4 of 10
How would increasing the amount of water in blood affect blood pressure?
OA. Blood pressure would decrease
B. Blood pressure would stay the same
O C. Water is not related to blood pressure
OD. Blood pressure would increase
SURMIT
Answer:
The answer is D: The blood pressure would increase.
Explanation:
HELP!! Rank the following forms of water from most common (1) to least common (4) on Earth.
(a) ground water
(b) rivers and lakes
(c) glaciers
(d) oceans and seas
d\b\c\a
Which sentence describes a river?
A. It contains water that is always in motion.
B. Many unusual organisms live there due to its unique water
chemistry.
C. It protects land from flooding by absorbing the force of ocean
storms.
O D. As sediments build up, it can turn into a marsh.
Answer:
I believe the answer is A; It contains water that is always in motion.
Explanation:
Use the drop-down menus to answer the questions. the principle of dominance is a inheritance pattern. it states traits that are mask the traits that are .
The principle of dominance is a Mendelian inheritance pattern. It states traits that are dominant mask the traits that are recessive.
What is genetics?Genetics is the study of inheritance, the foundation of genetics was laid by Gregor Mendel. According to Mendel, the units of inheritance were called factors and are today called genes.
The principle of dominance is a Mendelian inheritance pattern. It states traits that are dominant mask the traits that are recessive.
Missing parts:
The principle of dominance is a ______ inheritance pattern.
It’s states traits that are ______ mask the traits that are______
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Answer:The principle of dominance is a
✔ Mendelian
inheritance pattern. It states traits that are
✔ dominant
mask the traits that are
✔ recessive
.
Explanation:
describe how the surface of the earth moves, the way it moves and the effects of movement
Answer:
tectonic plates
Explanation:
and lose very very slowly but it moves towards each other or farther apart because there you are what you called Divergent tectonic plates convergent tectonic plates and contraction tonic plates
This technique allowed multiple peoples DNA to be compared to look for similarities and differences in order to solve crime
DNA Elimination
DNA Examination
DNA Fingerprinting
DNA Sequencing
DNA Fingerprinting allowed multiple people's DNA to be compared to look for similarities and differences in order to solve crimes (Option C).
What is DNA Fingerprinting?DNA Fingerprinting is a molecular biology technique used to compare the genetic material of different samples.
This technique (DNA Fingerprinting) can be used in order to identify a person in a criminal case.
In conclusion, DNA Fingerprinting allowed multiple people's DNA to be compared to look for similarities and differences in order to solve crimes.
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Can someone help me please?
The kind of population growth depicted by the graph is exponential growth.
What is exponential population growth?It is a kind of population growth that takes place in an environment where the population has no limiting factors. In order words, there are unlimited resources without any hindrance to the growth of the population.
Such a population grows rapidly as soon as it is able to adapt to its environment and continue growing at maximum biotic potential.
A graphical illustration of the exponential growth usually forms a J shape curve.
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What is a control group?
A. An experiment where you only test two variables at a time.
B. An experiment that you don't change any variables.
C.An experiment where you only make quantitative observations.
D An experiment where data is collected.
Answer:
B. An experiment that you don't change any variables.
Answer:
B. An experiment that you don't change any variables.
Explanation:
Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which factor are the species of birds responding to in the environment?
a.) symbiosis
b.) competition
c.) parasitism
d.) omnivores
Competition factor are the species of birds responding to in the environment. Thus, the correct option is B.
What is competition?If numerous bird species eat on the same tree species, there will be fierce competition for food. As a result of the competition, each species will seek out a certain portion of the plant to feed on, most likely the part of the plant where it will be easiest to outcompete the competitors for food.
As a result, we may deduce that the right response is "They have evolved to diverse niches as a result of competition."
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Answer:
simply jus competition
A cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. Purple offspring result due to incomplete dominance. Then, two of the purple offspring are crossed. What proportion of the offspring from the second cross will be purple?.
The proportion of the offspring from the second cross that will be purple is 1/2 because parents are heterozygous.
What is incomplete dominance?In genetics, incomplete dominance makes reference to the phenomenon where both alleles are expressed in heterozygous individuals.
In this case, parents are heterozygous and therefore they can produce three types of offspring.
In this case, the genetic crosses include
Parental lines (P) AA x aaFilial 1 (F1) 100% AaFilial 2 (F2) generationA a
A AA Aa
a Aa aa
In conclusion, the proportion of the offspring from the second cross that will be purple is 1/2 because parents are heterozygous.
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The proportion of the offspring from the second cross will be purple is 1/2, i.e. 50% of the offspring will be purple.
What is Incomplete Dominance?Incomplete dominance may be defined as a phenomenon in which the F1 hybrid exhibits the characters intermediate for the parental genes.
Due to the heterozygous nature of both parents in the F1 generation, they produce offspring in the genotypic and phenotypic ratio of 1:2:1.
The Punnett square for this cross is described below:
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Which of the following is a characteristic of a scientific theory?
a
It explains how nature works.
b
It is based on a single experiment.
c
It should not be possible to replicate its results.
d
It should not be possible to replicate its observations.
Answer:
explains how nature works
Explanation:
why viruses are kept in border line of living and non-living things.
which two mammals do you think is the least closely related? why?
Answer:
Chimpanzees and man
Explanation:
Ever since researchers sequenced the chimp genome in 2005, they have known that humans share about 99% of our DNA with chimpanzees, making them our closest living relatives.
But there are actually two species of apes that are this closely related to humans: bonobos (Pan paniscus) and the common chimpanzee (Pan troglodytes). This has prompted researchers to speculate whether the ancestor of humans, chimpanzees, and bonobos looked and acted more like a bonobo, a chimpanzee, or something else—and how all three species have evolved differently since the ancestor of humans split with the common ancestor of bonobos and chimps between 4 million and 7 million years ago in Africa.
The international sequencing effort led from Max Planck chose a bonobo named Ulindi from the Leipzig Zoo as its subject, partly because she was a female (the chimp genome was of a male). The analysis of Ulindi's complete genome, reported online today in Nature, reveals that bonobos and chimpanzees share 99.6% of their DNA.
What causes the doldrums to be calm winds?
o a. mountain ranges provide friction, slowing the doldrums.
b. trade winds from the north and south collide, pushing the air up.
c. earth revolves around the sun, keeping doldrums stationary.
d. frequent storms bring heavy precipitation, pushing the air down.
Earth revolves around the sun, keeping doldrums stationary causes the doldrums to be calm winds. Thus, the correct option is C.
Why are the doldrums so calm?The Intertropical Convergence Zone, also known as the doldrums or calms by sailors due to its constant lack of wind, is the area where the northeast and southeast trade winds meet. It encircles the Earth near the thermal equator, however its exact location changes with the seasons.
The sunlight beams down directly on the area around the equator, the Doldrums are caused by solar radiation from the sun. Instead of blowing horizontally, this heating causes the air to warm and climb straight up. As a result, there is little or no wind for weeks at a time.
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Where is the nucleus usually located?
A. outside of the cell
B. in the center of the cell
C. moves between cells
Answer:
B
Explanation:
usually in the center . depends on what cell prokaryotic or eu
Which method provides the most accurate evidence for scientists to use when determining evolutionary relationships between two species of animals?
O Identifying fossil patterns in rock strata where the animals live
O Looking for similar vestigial structures in both species of animals
O Comparing genetic sequences in the animals using samples of DNA
O Looking for similarities in the coloration and eating habits of the answer
Match each field of study with its main focus.
Anthropology
?
Hydrology
?
Meteorology
?
Geophysics
?
Human culture
Water
Inside of Earth
Climate
Renewable energy
do you think renewable energy is gaining attention and progress is being made to increase the use of harnassing natural renewable power?
what do you think are the barriers that are preventing us from utilizing more renewable energy sources?
Answer:
yes it is doing
Explanation:
Renewable sources are those which can use again and again . We should use them to protect our natural resources
Explain how a stent can be used to prevent a heart attack
Please help this is due in an hour! ill give brainliest and 20 pts!
Explain the impact on fresh water of:
a. Farming wastes
b. Household pollutants
c. Industrial wastes
d. Erosion
e. Oil and Gasoline
f. heat
Answer:
Water contamination is caused by waste water from industrial or chemical processes in enterprises. Chemical substances that are easily recognizable in industrial waste water are common. Toxic wastes and organic pollutants are the most common sources of water pollution, which are concentrated in a few subsectors.
Explanation:
Which of the following is a way that minerals are used?
a. industry
b. construction
c. technology
d. all of the above
Please select the best answer from the choices provided
O
Answer:
maybe its are technology??