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
Coelacanth Genes Mapped, "Living Fossil" Evolved Slowly
Amundsen-Scott South Pole Station in Antarctica
Darwin observed that tortoises on islands that are arid tend to have saddle-shaped shells, allowing
The North and South Equatorial Currents
South American Indigenous Woman and Child