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How do living things get energy?

Chapter 4 Lesson 2

Wetlands-ground is covered with water for at least part of the year.

Plants:water lilies

Animals: raccoons, alligators

Tundra- cold region where the ground beneath the surface is frozen all year.

Plants: prairie cactus

Animals: arctic foxes, caribou

Grasslands- covered in grasses. They receive a medium amount of rain.

Ecosystems

Plants: wild flowers

Animals: grasshoppers, buffalo

An ecosystem is all the living and nonliving things in an environment and the many ways they interact.

There are several different ecosystems in North America.

Producers

Plants are producers because they make, or produce, their own food.

In almost all ecosystems, green plants are the only producers.

Consumers

Desert- driest ecosystem which home to a few plants and animals.

Consumers are living things that eat other living things.

Decomposers

Plants: cactus

Animals: scorpians, rattle snakes

All living things need water, nutrients, growing space, and the right climate to grow and reproduce.

decomposers-organisms that break down plant and animal waste and remains

Energy that animals and plants take in comes mostly from sunlight.

3 types of consumers:

Herbivores- animals that only eat plants

Carnivores- animals that only eat other animals

Omnivores- animals that eat plants and other animals

Energy flow starts with plants when they go through photosynthesis.

Example: earth worms, mushrooms

Rain forests- temperate to tropical forest that is home to many plants, animals, and living things

Plants: ferns

Animals: tree frogs, monkeys, tigers

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