A heron is affected by many factors in its environment. What distinguishes the biotic factors from the abiotic factors? A location in the water or out of the water
B. plant or animal
Cliving or nonliving
D. food or not food

As a small change in a person's dna can cause a genetic disorder

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

How does a gymnosperm prevent itself from pollinating the same tree