Causes of Extinction

Front

What will most likely happen to a species of fish if all the female fish are caught?

Back

The species will not survive.

Front

How did the dam most likely affect the snail darter?

Back

The dam changed the darter's habitat.

Front

Which of these describes a species that has become extinct? Options: fewer members of the species are dying than being born, more members of the species are dying than being born, very few members of a species are alive, all members of a species have died

Back

all members of a species have died

Front

What would most likely happen if a bird species had fewer and fewer offspring each year?

Back

The species would become endangered.

Front

Which of these most likely caused panthers to disappear from Tennessee? Options: Panthers in Tennessee were unable to reproduce., People hunted panthers and destroyed their habitats., Natural predators killed and ate all the panthers in Tennessee., Panthers in Tennessee ran out of food.

Back

People hunted panthers and destroyed their habitats.

Front

Which of these would most likely threaten the survival of a species? A common animal species is hunted., A plant species is farmed as a crop., Members of an endangered species reproduce., A species has fewer and fewer offspring.

Back

A species has fewer and fewer offspring.

Front

According to the text, which of these is the greatest threat to Adelie penguins? Options: new predators moving into the area, competition from other Adelie penguins, rising temperatures in the penguins' habitat, people polluting and building in the penguins' habitat

Back

rising temperatures in the penguins' habitat

Front

Which of the following species is extinct? woolly mammoth, giant panda, bald eagle, green sea turtle

Back

woolly mammoth

Front

Which of the following is NOT a reason a species may become extinct? competition, reproducing, habitat loss, overhunting

Back

reproducing

Front

Suppose a pond dries up. What will most likely happen to the fish that lived there?

Back

They will not survive.