In biology, the biotic factors pertain to the living components of Earth while the abiotic factors are those non-living chemicals and physical factors. The only choice that is not an interaction between biotic and abiotic factors is the third choice, "C. male elk fighting over a female".
A
Explanation:
it’s the one that makes the most sense !
I looked it up and it should be D. Nerve cells :)
What this student is doing is collecting data. So, he wants to check how many life forms there are in the waters nearby. In order to do so, he has to take a sample, and look at it through a microscope so as to determine the number. So, he collected a sample which is his data. He is not drawing conclusions yet, but rather counting these organisms. He is not making a peer review - his peers aren't even mentioned here. He is not forming a hypothesis because he is just counting at this point.
Based totally on the ear, the Recommended Dietary Allowance (RDA) represents an amount that meets the desires of ninety-seven to the ninety-eight percentage of healthy people in an age/gender institution.
ok consumption (AI): hooked up while evidence is insufficient to increase an RDA and is ready at a degree assumed to make certain nutritional adequacy.
