Choose the best answer.

The search for the new kind of penguin in Antarctica has been ______ international media attention.

What does the notice mean?

Choose the best answer.

The national park was established to ______ the ecosystem of the limestone forests.

Choose the best answer.

The red squirrel in England is in danger of ______.

Choose the best answer.

Natural resource managers ______ the needs and behaviors of wildlife.

Choose the best answer.

Some people ______ down lots of trees along the river for the past two weeks.

Choose the best answer.

One of the factors that cause a species to become endangered is habitat ______.

Choose the best answer.

Scientists have been developing practical tools and methods to measure the ______ of the ecosystem.