You shoot coyotes on your ranch in Arizona. After all the coyotes are gone, you

Question

You shoot coyotes on your ranch in Arizona. After all the coyotes are gone, you notice that the rabbit population increases dramatically. Along with this you notice that the rabbits have consumed most of the grasses and forbs, and the biomass and diversity of plants drops dramatically. A few years later, you stop shooting coyotes, and within a few years the coyote population recovers, the rabbit population declines, and the biomass and diversity of grasses and forbs are back up to what they used to be. The coyotes could be described as:

a. primary producers

b. primary consumers

c. secondary consumers

d. a keystone species

e. c and d

Explanation / Answer

Answer : E

Since they feed on other animals, they are carnivores and hence secondary consumers. Since their presence affects the surrounding habitats they are keystone species

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