What in the World?
The Ecosystem
Plants
Animals
Break It Down
100

What an animal species dies out forever

extinct or endangered

extinct

100

What is the gas that surrounds the Earth?

air

100

the top layer of Earth's surface, where plants grow

soil

100
covered in fur or hair and produces milk for its young

mammal

100

very tiny organisms that are everywhere; you need a microscope to see them

bacteria

200

What is the physical world including plants, animals, water, land, and air?

environment

200

What are all the living things in a specific place and how they interact with each other?

ecosystem

200

You can ____ a plant by looking at its flowers and leaves.

identify
200

small animals that live on land and in the water

amphibians

200

Which of the following is NOT a decomposer?

worm

snake

fungus

insect

snake

300

What is a habitat?

where an animal lives in nature

300

For plants to ______, or stay alive, we must provide them with water and sunlight to grow.

survive

300

Is grass considered common or rare?

common

300

Name TWO examples of wild animals.

(lion, elephant, bear, tiger, deer, rabbits, fox, etc.)

300

Name THREE organisms.

(any plant or animal)

400

Name two extinct animals.

(dinosaurs, saber-tooth cat, dodo bird, mammoth, etc.)

400

Name THREE things you could find in an ecosystem.

(sun, water, plants, animals, insects, etc.)
400

Name two edible plants.

Answers will vary.

400

How do reptiles start their life cycle?

Egg

400

When dead plants or animals begin breaking down and become part of the soil, what process is happening?

decay

500

When a habitat as the right amount of each type of animal, not too many or too few, what is that habitat called?

balanced

500

What do trees produce or make that humans and animals need to survive?

oxygen

500

What happens if you eat a poisonous plant?

You will get sick.

500

What are the FIVE animal classes we studied?

amphibians, fish, mammals, birds, reptiles

500

What is something that an organism eats to survive and grow?

nutrient