Second half-year Test 9th Grade Reading variant 2

The place where a species lives and reproduces it its

When a species is no longer found on earth it is said to be ...

Reforestation in area where a threated species lives is an example of a ....

The gradual warming of the earth is called .....

Once a species is placed on an endangered list, a group will attempt to...the population

What poses the greatest threat polar bears today ?

What major change has occurred in the polar bears today?

What type of conservation efforts are people generally interested in?

According to the World Wild Fund polar bear studies help researches determine the ...