Find the mistake.

Drought, rising temperatures and heat waves have been affected the food and water supply.

A. rising temperatures

B. heat waves

C. been affected

D. water supply

What does the notice mean?

Choose the best answer.

The red squirrel in England is in danger of ______.

Choose the best answer.

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

Choose the best answer.

Natural resource managers ______ the needs and behaviors of wildlife.

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.

Choose the best answer.

Naturally, many different species in this freshwater ecosystem share the same kind of ______.