Dangerous Disruptions

Many animals like the polar bear have become [blank_start]endangered[blank_end] due to human impact on the environment. If nothing is done these animals will soon die out.

Animals and plants who have completely died out are considered [blank_start]extinct[blank_end].

The amount of animals left in a particular species is called a population.

Human activity often changes or destroys an animal’s habitat which they need to survive.

A _______________is the natural environment of an organism; place that is natural for the life and growth of an organism.

When animals are extinct we can bring them back and start a new population.