Caa and cgu is the codons
Because evolution itself is a very slow process. Having said that, the chance of having a continuum of various animals would mean that evolution would have progressed very fast. Because evolution is slow, different species establish themselves for different ecological niches and environments, this enables them to become better through time at a certain environment which then leads to eventual diversification in the number of species.
Answer:alveoli; lactiferous ducts
Explanation:
A biological community of interacting organisms and their physical environment.
Answer:
A water from rain or springs flows downhill in a narrow channel
