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The difference between Autotrophic and heterotrophic nutrition are:The organism which can prepare their own food by themselves in the presence of chlorophyll and sunlight.Ex:- Green Plants The organism which depends on directly or indirectly on others.Ex :- HumansHope it helps youByeRelated Questions
Animals that are the most similar, are found in completely different regions.
A. True
B. False
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Answer:
B. False
Explanation:
Convergent evolution is the independent evolution of similar features in species of different periods or epochs in time. ... Functionally similar features that have arisen through convergent evolution are analogous, whereas homologous structures or traits have a common origin but can have dissimilar functions.
HELP!!!
The tissues that develop from
of a zygote are the direct result of:
a. Meiosis and fertilization
B. Fertilization and differentiation
C. Asexual reproduction and meiosis
D. Differentiation, later,
Fertilization
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Answer:
D. differentiation, later, fertilization
What is osmosis?
can someone explain this please
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Answer:
it is the process by which water molecules passes through the semi-permeable membrane from a region of low concentration to a region of high concentration
somebody pls pls help
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Answer:
A
Explanation:
What is hemoglobin?
A. a protein
B. a carbohydrate
C. a lipid
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A. a protein
hope it is helpful to you
Answer:
A. a protein
Explanation:
Haemoglobin is a globular protein of four subunits.
The diagram below represents the time a cell spends in the two main phases
of the cell cycle. In which phase does a cell spend less time?
A. Interphase
B. R phase
C. M phase
O
D. Prophase
Answers
The cell spends less time in the M phase, also known as the mitotic phase, where the actual division of the cell takes place.
What does happen during M phase?During this phase, the cell undergoes mitosis or meiosis, depending on the type of cell, resulting in the formation of two daughter cells. In contrast, the interphase is the longest phase of the cell cycle, where the cell grows and carries out its normal metabolic activities.
The R phase, also known as the S phase, is a sub-phase of interphase where DNA replication occurs. Prophase is the first phase of mitosis and is relatively short compared to the M phase as a whole.
During prophase, the chromosomes condense, the nuclear envelope breaks down, and the spindle fibers form. In metaphase, the chromosomes align at the metaphase plate.
During anaphase, the sister chromatids separate and move towards the opposite poles. Finally, during telophase, the spindle fibers disassemble, the nuclear envelope reforms, and cytokinesis occurs, resulting in the division of the cytoplasm and formation of two identical daughter cells.
In terms of the amount of time spent in each phase, interphase is the longest, accounting for about 90% of the cell cycle. M phase, on the other hand, is relatively short, accounting for only about 10% of the cell cycle. Therefore, a cell spends less time in M phase than in interphase.
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Small changes can add up over MULTIPLE GENERATIONS to make
A. the same species
B. new species
Answers
Answer:
B: new species
Explanation:
These are mutations to the genetic code and over time they can create a new species.
Answer:
B. new species
Explanation:
Small changes can add up over multiple generations to make new species.
8. Which observation would be the best evidence to use to argue that there is an evolutionary relationship between two species?
They occupy the same niche.
They have similar fur color.
They have similar DNA base sequences.
They inhabit the same geographic regions.
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Answer: C: They have similar DNA base sequences
Explanation:
Which describes a group of organs that work together to perform a common function? tissue O organism O organ system O cell
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What does DNA prove about organism ancestry?
A. Plants and animals are not related to one another
B. That all organisms are related to one another
C. DNA and RNA are completely different forms of genetic coding
D. Extraterrestrial life will have DNA as well
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Answer:
B. That all organisms are related to one another
Explanation:
DNA and the genetic code reflect the shared ancestry of life. DNA comparisons can show how related species are. Biogeography. The global distribution of organisms and the unique features of island species reflect the evolution and geological change.
Answer:
B. That all organisms are related to one another
Explanation:
DNA prove about organism ancestry, that all organisms are related to one another.
Which type of vascular tissue is responsible for transporting water from the roots to the rest of the plant?
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Answer:
Xylem tissue
Explanation:
Xylem, plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support. Xylem tissue consists of a variety of specialized, water-conducting cells known as tracheary elements.
Which of the following will cause a Frameshift mutation?
A. an insertion
B. a substitution
C. a deletion
D. an insertion or a deletion
Answers
D. an insertion or a deletion
this is your answer
hope it is helpful to you
Complete the statements below. When muscles contract, they become _____. The muscles of the rear end, legs, and feet are called _____ muscles. Muscles move food down the digestive tract.
Answers
Answer:
Short and thicker, anti-gravity, smooth
Explanation:
To test for protein, you added Biuret solution and observed color changes. Suppose that the color data below was observed.
A 3-column table has 1 rows. The first column is labeled Gelatin (+ control) with entry pink/purple. The second column is labeled
Water (negative control) with entry pink/purple. The third column is labeled Mystery food sample with entry blue.
The data above indicate an error. How do you know? What might have caused the error?
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Answer:
When tested for proteins neither gelatin or water was not pink/purple
Explanation:
credit to person who commented on question above
Answer:
The water should not be pink/purple because water should test negative for protein. The water should actually have turned blue, because Biuret solution is blue. Someone may have mislabeled the test tube with water. The water may have been contaminated with a protein.
Pls answer I will help you out. Need this for tmr
Answers
Answer:
uhh
Explanation:
sorry i dont know
All of these are Cardiovascular disease EXCEPT
Heart Attack
Hypertension
Diabetes
Pulmonary Heart Disease
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Answer:
Diabetes
Explanation:
Diabetes is a metabolic disease. :)
_____ provide evidence of common ancestry among organisms.
A:Variations in early embryos
B:Similarities in DNA sequences
C:Variations in chromosomes
D:Differences in nucleotide order
Answers
Answer:
B:Similarities in DNA sequences
Explanation:
Molecular similarities provide evidence for the shared ancestry of life. DNA sequence comparisons can show how different species are related. Biogeography, the study of the geographical distribution of organisms, provides information about how and when species may have evolved.
Answer:
B:Similaritions in DNA SequencesMany prokaryotes reproduce through binary fission .the circular DNA is copied and moves to opposite sides of the cell.the cell divides .What kind of cell division and reproduction is this?
Answers
Answer: Mitosis and Asexual Reproduction
a website that provides climate data for an area in a biome (for example, the city of Barrow, Alaska). Discuss how conditions in the biome affect the plant and animal life it contains.
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Answer:
Greatly affected.
Explanation:
The conditions in the biome greatly affect the plant and animal life it contains because biome has a specific environmental conditions that allows specific organisms to survive and growth in that particular environment. A biome is a collection of plants and animals that have common characteristics for the environment in which they exist. In the cold regions, only those plants and animals survive and grow which has the adaptation and characteristics to that environment.
How do the treatment and control of an inherited disease?
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What do you know about carbon
Answers
Answer: We have it inside of our bodies
Explanation: Biology
Answer:
Carbon (from Latin: carbo "coal") is a chemical element with the symbol C and atomic number 6.
Explanation:
Hope it's help you !!!
Deforestation occurs when large Amounts of trees are cut down and not replaced which of the following would result from deforestation
A. Decrease carbon in the atmosphere
B. Increased carbon in the atmosphere
Answers
Answer:
The correct answer is (B).
Explanation:
Deforestation occurs when large Amounts of trees are cut down and not replaced, which of the following would result from deforestation...
Increased carbon in the atmosphere
This statement is true because when trees become less abundant, the amount of oxygen being released into the atmosphere by trees via photosynthesis.
The circumstance that would result from deforestation is the increased carbon in the atmosphere. Thus, the correct option is B.
What is Deforestation?Deforestation may be defined as the process of cutting down or eliminating trees in large numbers from our surroundings. This activity generally happens due to industrialization, wood extraction, urbanization, etc.
When the number of trees remains less in the environment due to deforestation or any other activity, the level of carbon dioxide in the atmosphere typically rises.
This is because carbon dioxide is considered the reactant of photosynthesis that is utilized by the plants along with water in the presence of sunlight and converted into oxygen.
But when the number of plants decreases, the level of carbon in the atmosphere increases, and the level of oxygen in the atmosphere decreases.
Therefore, the circumstance that would result from deforestation is the increased carbon in the atmosphere. Thus, the correct option is B.
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HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
Answers
Answer:
answer A is the correct answer
High and low tides are caused by the moon. The moon's gravitational pull generates something called the tidal force. The tidal force causes Earth—and its water—to bulge out on the side closest to the moon and the side farthest from the moon. These bulges of water are high tides.
basically its A.
What do rock layers have to do with the age of the rock?
Answers
Explanation:
Geologists use the law of superposition to determine the relative ages of sedimentary rock layers.
Anthropologist: In an experiment, two groups of undergraduates were taught how to create one of the types of stone tools that the Neanderthals made in prehistoric times. One group was taught using both demonstrations and elaborate verbal explanations, whereas the other group learned by silent example alone. The two groups showed a significant difference neither in the speed with which they acquired the toolmaking skills nor in the level of proficiency they reached. This shows that Neanderthals could just as well have created their sophisticated tools even if they had no language
Which one of the following, if true, most weakens the anthropologist's argument?
(A) Apart from the sophistication of their stone tools, there is a great deal of evidence suggesting that Neanderthals possessed some form of language.
(B) The students who were taught with verbal explanations were allowed to discuss the toolmaking techniques among themselves, whereas the students who learned by silent example were not.
(C) The tools that the undergraduates were taught to make were much simpler and easier to make than most types of tools created by Neanderthals.
(D) The instructor who taught the group of students who learned by silent example alone was much less proficient at making the stone tools than was the instructor who taught the other group of students.
(E) The tools created by Neanderthals were much less sophisticated than the tools created by anatomically modem humans who almost certainly possessed language and lived at the same time as the Neanderthals.
Answers
Answer:
A
Explanation:
The point of this arguement is that with or without speaking they were able to make the same sophisticated and complex tools, if it is true that both had a language that would mean the silent people would have no point and that both types of humans had the same initial factors.
Which of the following best describes the producers in a terrestrial food web?
A) They are at the top of the energy pyramid.
B) They obtain their energy from consumers.
C) They are unaffected by decomposers.
D) They convert energy from the sun to chemical energy.
Answers
Answer:
The correct answer is - D. They convert energy from the sun to chemical energy.
Explanation:
In any food web, producers are the organism that can make their own food and energy by converting light energy coming from the sun into chemical energy, this process called photosynthesis.
Normally producers are green plants. These are present at the bottom of the energy pyramid as these are the highest in the number. Consumers et energy from producers by feed on them.
Tetrodotoxin is a potent toxin found in a variety of organisms including the pufferfish. The toxin binds to the extracellular side of the Na+ channel and prevents channel opening. This leads to paralysis of muscles, including the diaphragm. Death from respiratory failure can occur after ingestion of as little as 1 mg of the toxin. Why does this toxin cause paralysis? Question 7 options: The axon membranes become over-depolarized. The Na+ channels remain in the inactive, refractory state. The Na+ channel does not open wide enough to allow enough Na+ through the channel. The membrane depolarization is not amplified along the axon.
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Answer:
The correct answer is - The membrane depolarization is not amplified along the axon.
Explanation:
Tetrodotoxin, a neurotoxin present in the liver and gonads of Marine organisms. it can inhibit the soidum channels which means it blocks the entering of the sodium in the cells or neurons if consumed it and it can lead to neurological and gastrointestinal disorders.
These toxins block the signals to move along the nerves to muscles In absence of sodium action potential cannot be sent along the axon by blocking the sodium channels. This results in weakening and paralysis.
Can evolution happen to you PERSONALLY (in your lifetime)?
A. Yes I evolved from a baby to a teenager
B. No it happens over a whole generation
Answers
Answer:
B
Explanation:
Answer:
The answer is B
It's 58 degrees outside and a meteorologist says a cold front is headed to you area. What should you wear to prepare? *
sandals
rain jacket
snow jacket
hat and gloves
Answers
Hope that helps!
Why do many water animals not have a well developed blood system?
Answers
The simplest animals, such as the sponges (Porifera) and rotifers (Rotifera), do not need a circulatory system because diffusion allows adequate exchange of water, nutrients, and waste, as well as dissolved gases. Instead, gases, nutrients, and wastes are exchanged by diffusion.
Answer:
Explanation:
The simplest animals, such as the sponges (Porifera) and rotifers (Rotifera), do not need a circulatory system because diffusion allows adequate exchange of water, nutrients, and waste, as well as dissolved gases. ... Instead, gases, nutrients, and wastes are exchanged by diffusion.