The various Galpagos finch species
A) evolved in South America and flew to the Galpagos Islands.
B) evolved from a single ancestral species that flew to the Galpagos Islands.
C) all feed on the same diet in the Galpagos Islands.
D) are primarily different because of variations in the structure of their feet.
Question 2
Many of the 1.3 billion people who lack electricity live in rural regions where
A) nuclear energy is most useful.
B) hydroelectric energy is the best energy resource.
C) hydrogen fuel cells are most useful.
D) solar energy is most useful.
Bluehead wrasse males with yellow females of the species. If the blueheaded male is removed from a t
These species are all at risk of extinction. Species with slow life-h
Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe
Four kinds of evidence supporting the theory that species evolve.
The Dust Bowl in North America
Direct Two Species Interactions