<u>Answer:</u>
Yes,We live in the Cenozoic era, and scientists know more about this era and epochs.
<u>Explanation:</u>
This is because the cenozoic period is one of the three main periods of earth's history which began about 66-million years ago, lasting to the present. It is the latest or the current era of life. In this era, the rock layers are preserved more and destroyed in much lesser degree as compared to previous eras.
The Cenozoic Age is often recognized as the Mammals age because many species of large animals have been annihilated, enabling the preservation and proliferation of smaller creatures as their hunters no longer existed.
Answer:
A vegetarian diet is not an option for most people because eating meat is too ingrained in most "option ingrained" diets.
Explanation:
Drastic changes in environmental conditions can sometimes cause drastic changes to the gene pool of the population.
The answer is B because if you recross them you get the same answer Rr and rr so the correct answer is B