Question

13. Primary consumers are also known as

A. carnivores.    B. scavengers    C. decomposers.    D. herbivores.    E. top carnivores

14. In a food chain, each step of a food chain sees:

A. 10% of the energy passed on to the next step while 90% is lost as heat

B. 90% of the energy passed on to the next step while 10% is lost as heat  

C. 50% of the energy passed on to the next step while 50% is lost as heat  

D. 100% of the energy passed on to the next step    

E. none of the above is correct, we have no way of knowing how much energy is transferred

15. Living vegetation (trees and other plants) and the ocean are known as “carbon sinks” because

A. they are made of carbon.   B. they create carbon.

C. they destroy carbon.           D. they store carbon.

E. due to gravity, carbon is found closer to the ground.

   

16.The Tragedy of the Commons is a concept that attempts to explain:

A)how human nature leads to environmental degradation

B)how National Parks are doomed to failure due to lack of governmental support

C)how the average/"common" person is uneducated about environmental issues
D)how common wildlife species are often the first to become endangered rather than the exotic species

E)none of the above really expresses what Garret Hardin meant by this phrase

Answer 1