Answer:
<h2><u>
directional selection</u></h2>
Explanation:
This type of natural selection is referred to as . In this type of natural selection, either one phenotype is preferred or the other; therefore, there is no equilibrium between the populations of the phenotypes that are present.
Examples of organisms that have undergone directional selection are black bears during the ice ages, African chichlid and sockey salmon.
<span>After a long time, a mature community is established and this community does not change unless it is disturbed.</span>
Answer:
False
Explanation:
During the dissection study the body is kept in laying position so that the scientist can easily perform experiments. The body is kept in laying position not in upward position. The body in upward position will have gravitational effect on the fluids and the body layer will not melt.
D. all of these
Explanation:
All of the provide option clearly denotes how matter are transferred between organisms.
Based on the amount of available matter the earth is conserved. Matter is only transferred and transformed as it goes between organisms and the environment.
- Plants obtain their nutrients from the soil and they use them for various life processes. Thus, matter is exchanged between the physical environment and living organisms.
- Matter is also transferred from one living organism to another. Plants are consumed animals.
- When living organism decay, their matter are released back into the physical environment.
Learn more:
Conservation of matter in chemical reactions brainly.com/question/2190120
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Answer: D
Explanation:
I am completely sure. Hence the word advancements it means to go forward. To adavance. So, I mean, that's just it.