(E) All of the above statements are true.- The biggest threat to species is
(A) low reproductive rates
(B) disease
(C) alien, invasive species
(D) collecting, hunting, and poaching
(E) loss of habitat- Darwin noted that the Patagonian hare was similar in appearance and had a
niche similar to the European hare. However, the Patagonian hare is not a
rabbit—it is a rodent related to the guinea pig. This example illustrates the
principle known as (A) allopatric speciation
(B) adaptive radiation
(C) divergent evolution
(D) coevolution
(E) convergent evolution
For Questions 12–14, choose from the following items:
(A) Adaptive radiation
(B) Isolation
(C) Natural selection
(D) Stable gene pool
(E) Convergent evolution- Members of the same species of moths are prevented from interbreeding
because they live on opposite sides of a mountain range. - Darwin’s finches are a good example of this biological principle.
- In the evolutionary history of the horse, the early horse (Eohippus) was
replaced by the modern one-toed horse. - As one travels from the tropical rainforests near the equator to the frozen
tundra, one passes through a variety of biomes including deserts, temperate
and deciduous forests, etc. The primary reason for the change in vegetation
is due to (A) evolution
(B) succession