The Mammoth Cometh

3/5/2014

1. In ecology, succession refers to:
a) survival of the fittest
b) one species or group of species gradually being replace by another.
c) balances of power
d) predator-prey reltionahips.
e) one generation followed by another over time


2. A climax ecosystem is:
a) one developed by humans
b) one in which natural selection and evolution have stopped.
c) one in which population so fall species are in balance with each other
d) one that will exist indefinitely barring change in habitat or climate
e) c and d

3. Humans have caused ecological upsets by
a) introduction of new species
b) elimination of natural predators
c) establishment of monocultures
d) misunderstand the role of fire in certain ecosystems
e) all of the above

True of False

4. The period from primary to secondary succession takes longer than the period from secondary to climax community.

5. The nonequilibrium theory of succession states that change in an ecosystem can result in stronger, more resilient ecosystems. 





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6. When did the passenger pigeon become extinct?

7. Name two researchers working on de-extinction.

8. Name two animal candidates for de-extinction.

9. How can extinct species be brought back?

10. What are two arguments from the article against de-extinction and one argument in favor of de-extinction?