Question

Which best describes the effect on another population in the food web below if nearly all of the field mice are removed?

grass
black-footed
ferrets
field mice
seeds
lynx
The number of lynx will increase.
The amount of grass will decrease.
The amount of seeds will increase.
The number of ferrets will decrease.

Answer 1

Correct answer - The number of ferrets will decrease.

Why? - Ferrets are carnivores, which means they eat only meat. Black-footed ferrets eat usually eat small mammals, such as possums, rabbits, prairie dogs, hedgehogs and rodents. If they will face a food source removed, the amount will decrease.