In an ecosystem, organisms have different homes, or .........................where they live.

Plants and animals get food, water, and ................................from their habitats.

To live and grow, every living thing needs..................

Green plants and algae are............................. that use the Sun’s energy to make food.

Organisms that get their energy from eating other organisms are called.........................

Decomposers, such as worms and .......................,break down dead plants and animals.

Decomposers put .............................. into the soil that are used by new plants.

A grasshopper is a(n) ..............................because itgets its energy from eating plants.

A heron is a(n) ...........................because it gets its energy from eating animals

A bear is an omnivore, which means that it eats ......................

If ecosystems did not have ......................., piles of dead plants and animals would build up.

....................................is the living and nonliving things that interact in an environment .

This picture shows ..................

This picture shows ..................

This picture shows ...............