Which of the following terms to describe an ecosystem? select one of the options below as your
a. population
b. niche
c. habitat
d. all of the above

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false