These animals were living in an environment with a warm climate that results in changing sea levels. These conditions create a lot of shallow inland seas allowing these animals to thrive. The Cretaceous period is the last period of the Mesozoic area where new groups of mammals, birds, and flowering plants appeared on Earth.
Answer:
23 pairs nucleus parents and dna
i know that the 23 pairs is right and i also think that the rest is right to
Isolation after an Event. An earthquake causes two populations to become separate from each other. Over time, each species experiences genetic makeup specific only to their own smaller, less diverse populations. ... Over time, the group becomes an entirely different species.
Answer:
The answer is D.
Explanation:
It wont sink down and it stays in one spot.
