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.
Competition among Paramecium species.
The small-scale distribution of different tree species in a Douglas-fir forest is determined by both
The Black Bee-eater (Merops gularis) is a species of bird in the Meropidae family.
(a) Homologous traits are similar due to shared ancestry. (b) Analogous traits (bats’, birds’, and f
South American Indigenous Woman and Child