What is suggested by the similarity of early embryos of different
species of vertebrates?
a. no evolutionary relationship between the groups
b. recent common ancestry
c. similar environments in the past
d. evolution from a distant common ancestor

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors