Evolution can be described as the change in frequencies of a over time. The process of acts on specific and causes a change in the frequency of the alleles that produce them. A population of organisms with similar phenotypes that interbreed is defined as:

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

the tricuspid valve is present between right atrium and right ventricle

answer///multiple alleles;