butterfly

snake

fox

ladybird

greenfly

plant

mouse

buzzard

There would be more food for secondary consumers.

The number of primary consumers would increase.

The number of plants would increase.

The number of secondary consumers would increase.

The predator-prey relationship between vertebrates

The movement of energy throughout an ecosystem

The changing types of organisms in a forest

The standard lifespan of trees and animals

hawk

lizard

mouse

snake