Evolution__. A. Can only happen at or below the species level

B. Happens whenever an organism changes its form or function

C. Is a slow change in the gene pool of a species or populations

D. Proves that humans are descendants from apes and monkeys

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti

Match each symbol with its description.