Almost 2 million different species are known on Earth. This is an example of


genetic diversity.


ecosystem diversity.


capital diversity.


species diversity.

Extinction is a natural process happening today at the same rate that it always has.

True

False
.

3 points


Question 3





A species has abundant numbers but is believed to be at risk of becoming rare if it is not protected. The species is


threatened.


endangered.


extinct.

.

What is the best definition of an invasive species?


one that hunts and kills other species


one that is eaten by others


one that is not native to an area


one that stays in its native location

In the acronym HIPPO, what does the O stand for?


overpollution


overharvest


overpopulation


overeating

.

3 points


Question 6





Which of the following traits will make a species vulnerable to extinction?


high reproductive rate


having commercially valuable parts


being able to eat anything


living in many places

.

3 points


Question 7





Which of the following is a condition of the U.S. Endangered Species Act?


cannot hunt endangered species


can trade endangered species only within the U.S.


can destroy the habitat of endangered species only for the building of government buildings


can collect only plants that are endangered