Negative selection (D) removes the harmful alleles.
Answer:
(First) 10,000--->1000--->100-->10 (fourth)
Explanation:
Each trophic levels gets reduced by factor of 10.
Thus if you start with 10,000 in first, then you end with 1000 in second, 100 in third and 10 in forth.
Answer:
During diffusion, molecules move from areas of
⇒ high concentration to areas of
⇒ low concentration.
Diffusion does not require
⇒ energy to move molecules.
I think it would be B study of soil fertility
Description: Soil fertility refers to the ability of soil to sustain agricultural plant growth, i.e. to provide plant habitat and result in sustained and consistent yields of high quality.
I hope this helps. If it does, please mark brainliest.
Calcium in milk which is food because we drink it
