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1. In which of the following pairs do both organisms belong to the same population?
A. a rose and a carnation
C. two residents of New York City
B. a zebra and a horse
D. two similar species of monkeys
2. A population of some species is most likely to grow exponentially
A. if the species is already very common in the area.
B. when the species moves into a new area of suitable habitat.
C. when it uses the same habitat as a similar species.
D. if the population size is already large.
3. A population will most likely deplete the resources of its environment if the population
A. grows beyond carrying capacity.
B. must share resources with many other species
C. moves frequently from one habitat to another
D. has low reproductive potential
4. The growth rate of a population of geese will probably increase within a year if
A. more birds die than are hatched.
B. several females begin laying eggs at younger ages than their mothers did.
C. most females lay two eggs instead of three during a nesting season.
D. some birds get lost during migration.
5. Which of the following is an example of competition between species?
A. two species of insects feeding on the same rare plant
B. a bobcat hunting a mouse
C. a lichen, which is an alga and a fungus living as a single organism
D. a tick living on a dog.
6. Which of the following statements about parasitism is TRUE?
A. The presence of a parasite does not affect the host
B. Parasitism is a cooperative relationship between two species
C. Parasites always kill their hosts
D. Parasitism is like predation


1 Answer

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