Prairie dogs are burrowing rodents that live in grasslands. What makes the prairie dog a keystone species in the ecosystem? A) Prairie dogs are the main source of food for wolves and coyotes in the grassland. B) Prairie dogs are the species with the largest number of individuals in the grassland ecosystem. C) They successfully compete with the other herbivores for grass and are a major threat to these species. D) Their tunnels act as conduits for rain water to seep into the ground, thereby promoting the growth of grass.

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Kerry

28 April, 03:01

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Omari Quinn · Answer 1

C. They successfully compete with other herbivores for grass and are a major threat to these species.