After wolves were ________________, or brought back in Yellowstone, the elk herd decreased and the trees started to recover.

• reintroduced

• eliminated

• habitat

• solitary

Gray wolves are too dangerous to roam in Yellowstone...that's why the government _________, or took out, most wolves from the park in the 1900s.

• multiplied

• solitary

• eliminated

• reintroduced

For decades after wolf packs had been killed, only a few _________ wolves were sighted.

• habitat

• reintroduced

• eliminated

• solitary

Yellowstone National Park, with its plentiful food and wide-open spaces, is an ideal _________ for wolves.

• habitat

• reintroduced

• solitary

• multiplied

When wolves disappeared from Yellowstone, other animals were affected. Elk, wolves' favorite food, __________ because wolves were no longer around to eat them.

• habitat

• multiplied

• eliminated

• reintroduced

A bear can be found in many different _____________ including high mountain forests and ice fields.

• habitats

• reintroduced

• multiplied

• eliminated

When the tiger was __________ into the wild, the park rangers kept a close eye on him to make sure he did well.

• multiplied

• habitat

• reintroduced

• solitary

Due to the many seeds dropping, the weeds _________, or increased greatly, in the yard.

• solitary

• eliminated

• multiplied

• habitat

The weeds were __________ from the area after the weed killer was sprayed.

• habitat

• eliminated

• reintroduced

• solitary

Did you know leopards hunt in _________? That means they hunt alone.

• habitat

• eliminated

• reintroduced

• solitary