A habitat is the place where a living thing lives. A good habitat gives it food, water, shelter and space to raise its young. A pond, a forest and a desert are all habitats.
A food chain shows what eats what. Most food chains start with a plant. Plants are producers — they make their own food using energy from sunlight.
Animals are consumers — they get energy by eating other living things. Herbivores eat plants, carnivores eat other animals and omnivores eat both.
Decomposers, such as fungi and bacteria, break down dead plants and animals. This puts goodness back into the soil for plants to use.