Who eats what

The predator prey relationship

Direction of energy transferred

Showing the different tropic levels

1

2

3

4

Foxes, owls, and birds

Carrots, grasses, and grains

Owls, grasshopper, and grains

Rabbits, mice, and grasshoppers

The oak tree has the biggest population

The caterpillars have the largest numbers

The blackbirds have the most energy stored

The buzzard has the fewest number.

oak tree

caterpillar

blackbirds

buzzard

By combustion of fossil fuels

By photosynthesis of animals

By respiration by decomposers

By teacher, because he is a green man!

Transpiration

fossilisation

photosynthesis

decomposition

Population increasing due to increase of food.

Population decreasing due to a lack of food.

Population increasing because of immunity of the disease.

Population decreasing due to not being immune to the disease.