In general, which of the following is the best long term method of preventing extinctions?
A. breeding the species in captivity
B. protecting the entire habitat
C. paying people not to hunt them
D. providing food to wild populations
E. removing predators from the habitat
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An example of a keystone species would be a
A. condor
B. spotted owl
C. sea urchin
D. sea otter
E. maple tree
All of the following are considered "Christmas" tree forests except
A. evergreen forests
B. temperate deciduous forests
C. boreal forests
D. taiga
E. coniferous forests
All of the following would be considered types of grasslands except
A. short grass prairies
B. tall grass prairies
C. taiga
D. savanna
E. tundra
Succulent plants are likely found in
A. aquatic habitats
B. cold ecosystems
C. high altitudes
D. deserts
E. savannas
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