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