Science exam 3rd grade

A forest is an area where most plants are trees

The environment is everything that surrounds a living thing

To a population of frogs living near a pond, the pond is its habitat.

The population that lives in the same place is an ecosystem

the population is made up of all the living things of the same kind that live in the same area at the same time.

Two types of forest that get a lot of rain.

these two are freshwater ecosystems

this type of ecosystem has hot summers and cold winter.

their trees are needle-shaped, and the winters here are very cold

is the greatest ecosystem of all.

Animals that only eat plants are called

Animals that eat both, plants and other animals are called

On top of the pyramid of the food chain are the animals that are not usually eaten bu other animals

At the bottom or base of the pyramid of the food chain are the plant-eating animals

For all living things, energy comes from the sunlight we absorb from the soil