Use the image to answer the question below.

Question

The plants are eaten by consumers at the first level, such as rat, grasshopper, frog, squirrel, whiptail, and deer. The consumers at the second level, such as ringtail, eagle, and pine marten eat the consumers at the first level. The consumers at the third level, such as wolf, mountain lion, and cat eat the consumers at the second level. Some of the consumers at the first level are also eaten by consumers at the third level.



Which one of the following animals is most likely to be a keystone species, based on the food web provided?

(1 point)
Responses

deer

Mouse

grasshopper

frog

Answer 1

The most likely keystone species based on the food web provided would be the wolf. As a predator at the third level, the wolf plays a key role in controlling the population of the consumers at the second level, which in turn affects the population of consumers at the first level.