Without variation in traits among the population, there would be no variation in the relative fitness of individuals within the population (i.e. (higher level) no differential reproductive success between individuals). Without varying reproductive success between individuals in population based on traits, there will be no change in frequency of traits in the population over time. To put it simply, there is nothing for natural selection to act upon.
Answer:
B. Farmers can grow the crop using fewer chemical pesticides than traditional
crops.
Explanation:
It belongs to the Low Density Lipoprotein receptor. It 's a cell surface receptor that recorgnizes the apoprotein B100, which is known to be located on the outer phospholipid layer of LDL particles. It also recognizes the apoE protein as well.
Answer:
D. ususally very abundant in an ecosystem
Explanation:
Most commercial phosphorus is produced by mining and heating calcium phosphate. Phosphorus is the eleventh most abundant element in the Earth's crust