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

frog
frog
Mouse
Mouse
deer
deer
grasshopper

Answer 1

The most likely keystone species based on the food web provided would be the grasshopper. Grasshoppers are at the first level of the food web and are a primary source of food for many different consumers. If the grasshopper population were to decline significantly, it could have cascading effects on the rest of the ecosystem.

Answer 2

pick one

Answer 3

frog