How is cytokines different in plants and animals
A- In animal, the dna is not duplicated
B-In plants, a new cell wall forms to split the cell
C-In plants the dna is one circular chromosome
D-in animals, there are no sister chromatids

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

What field of science did harry hess study?