Which geological era is known as the age of reptiles?
a. cenozoic
b. mesozoic
c. paleozoic
d. precambrian

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

Ais a group of individuals of the same that exist together in the same place at the same time

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?