1. The place where a species lives and reproduces is its … .
a) Conservation
b) Habitat
c) Food chain
d) ecosystem
2. When a species is no longer found on earth it is said to be … .
a) Threatened
b) Endangered
c) Extinct
d) At risk
3. Reforestation in an area where a threatened species lives is an example of a … .
a) Global warming
b) Conservation effort
c) Habitat
d) Sensitive species
4. The gradual warming of the earth is called … .
a) Endangered
b) Habitat
c) Environmental
d) Global warming
5. Once a species is placed on an endangered list, a group will attempt to … the population.
a) Rewind
b) Revise
c) Recover
d) Repair
3. Comprehension quiz
1. According to the article, an endangered species is one that … .
a) Is already extinct
b) Is dangerous to humans
c) Will die out in nature
2. What poses the greatest threat to polar bears today?
a) Over hunting
b) Climate change
c) Polluted water
d) Politicians
3. What major change has occurred in the polar bear’s natural habitat?
a) Air temperature colder
b) Ice extremely polluted
c) Sea ice much reduced
4. What type of conservation efforts are people generally interested in?
a) Saving insects and birds
b) Protecting large animals
c) Reforestation projects
5. According to the World Wildlife Fund polar bear studies help researches determine the … .
a) Health of the Arctic
b) Likely date of extinction
c) Impact of man on environment