1. Which of the following best describes the word "biodiversity”?
A endangered species
C the variety of all life on earth
B. different kinds of planets in the solar system D. stories of famous biologists
2. What is the most serious threat to biodiversity?
A scientists collecting specimens B. habitat loss C. tourists D. pollution
3. Which biotic factor has limit in carrying the capacity of any habitat?
A availability of water
C. activity of decomposers
B. level of atmospheric oxygen
D. amount of soil erosion
4. Why is the size of frog population in a pond remains fairly constant over a period of
several years?
A decreasing competition
C. excessive dissolved oxygen
B. environmental carrying capacity D. the depth of water
5. What group of living organisms is with the same species in a certain area?
A renewable resource B. biodiversity C. population D. ecology
6. Which of the following best describes the word “biodiversity”?
A Endangered species
C. The variety of all life on earth
B. Different kinds of planets in the solar system
D. Stories of famous biologists
7. What is the most serious threat to biodiversity?
A scientists collecting specimens B. habitat loss C. tourists D. pollution
8. Which biotic factor limits the carrying capacity of any habitat?
A availability of water
C. activity of decomposers
B. level of atmospheric oxygen
D. amount of soil erosion​