Chapter 3 - Lesson 1

Question 1

What is an ecosystem?

Answer 1

How living and nonliving things affect each other in an environment

Question 2

What is a habitat?

Answer 2

the home of a living thing

Question 3

What is the food chain?

Answer 3

the path of energy in an ecosystem

Question 4

What is producer?

Answer 4

an organism that makes its own food

Question 5

What is consumer?

Answer 5

an organism that eats other living things

Question 6

What is decomposer?

Answer 6

an organism that breaks down dead plants and animals

Question 7

What is food web?

Answer 7

many food chains that are connected

Question 8

What is adaptation?

Answer 8

a body part or way of acting that helps an organism live

Question 9

An ecosystem may be as small as a _____ or big as an ________.

Answer 9

puddle, ocean

Question 10

Name some living things in a pond

Answer 10

frogs, birds, plants

Question 11

Name some nonliving things in a pond

Answer 11

sunlight, water, soil

Question 12

Different things live in different parts of

Answer 12

an ecosystem (habitat can be in the water or on the edge of a pond)

Question 13

Describe the food chain

Answer 13

All living things need energy. They get it from food. They pass their energy to the living things that eat them. This is a food chain.

Question 14

Name the 1st thing on a food chain

Answer 14

producer

Question 15

Name an example of a producer

Answer 15

Plant. it uses energy from sunlight to create food

Question 16

What comes after a producer on a food chain

Answer 16

consumer. All animals are consumers. a food chain may have many consumers

Question 17

What comes after consumer in a food chain

Answer 17

decomposer. Decomposer puts nutrients back into the soil

Question 18

Name some decomposers

Answer 18

worms, bacteria, mushrooms

Question 19

When different food chains connect, this is called a

Answer 19

food web

Question 20

Predators hunt their

Answer 20

food

Question 21

The living things predators hunt are called

Answer 21

prey

Question 22

A food web also shows

Answer 22

how more than one kind of organism might eat the same kind of food

Question 23

Why are decomposers important

Answer 23

They keep the habitat from filling up with dead material. They let out the nutrients from dead material. The nutrients go into the water or soil to help other living things grow