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.
Sceloporus undulates, the eastern fence lizard, is one of the most widely distributed lizard species
An image comparing the brain sizes of different species.
Animal carcasses like this South African wildebeest provide important nutrition for both hunters and
Evolution of Vertebrate Species
The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own
Three queens, fertile females in species that have a reproductive division of labor.