Ecosystems: The Interconnectedness of Living Things

Question 1

In an ecosystem, which of these is not a living thing?

Accepted Answer

Rocks

Answer

Plants

Answer

Animals

Answer

Microorganisms

Question 2

Which of these shows how living things interact in an ecosystem?

Accepted Answer

A bird eating a worm

Answer

A plant using sunlight

Answer

A rock falling on a tree

Answer

Water evaporating from a pond

Question 3

Which of these is a sign of a healthy ecosystem?

Accepted Answer

Many different types of living things

Answer

Lots of pollution

Answer

Lots of deforestation

Answer

Very few different types of living things

Question 4

What is the process called where plants use sunlight to make their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Decomposition

Answer

Fermentation

Question 5

Which of these shows a food chain?

Accepted Answer

Grass -> Grasshopper -> Bird -> Snake

Answer

Sun -> Grass -> Cow -> Human

Answer

Water -> Rocks -> Trees -> Birds

Answer

Bacteria -> Fungi -> Plants -> Animals

Question 6

What do decomposers do in an ecosystem?

Accepted Answer

Break down dead things

Answer

Produce oxygen

Answer

Create new life

Answer

Provide food for animals

Question 7

Which of these is not a type of ecosystem?

Accepted Answer

City

Answer

Forest

Answer

Ocean

Answer

Desert

Question 8

Which of these is a living organism in an ecosystem?

Accepted Answer

A tree

Answer

A rock

Answer

Water

Answer

Sunlight

Question 9

What is the term for all the plants and animals in an ecosystem?

Accepted Answer

Community

Answer

Habitat

Answer

Population

Answer

Environment

Question 10

Which of the following is an example of a connection between living things in an ecosystem?

Accepted Answer

A bird eating a worm

Answer

A plant using sunlight to make food

Answer

Water flowing through a river

Answer

A rock falling down a hill

Question 11

What is the role of plants in an ecosystem?

Accepted Answer

To make their own food using sunlight

Answer

To break down dead plants and animals

Answer

To eat other living things

Answer

To provide homes for other organisms

Question 12

What is the term for the place where a living thing lives and finds what it needs to survive?

Accepted Answer

Habitat

Answer

Community

Answer

Population

Answer

Ecosystem

Question 13

Which of the following is NOT a way that ecosystems benefit humans?

Accepted Answer

Causing earthquakes and floods

Answer

Providing food and water

Answer

Cleaning the air and water

Answer

Giving us places to live and play

Question 14

Who makes their own food using the sun's energy?

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Answer

Mushroom

Question 15

What living thing could you find in an ecosystem?

Accepted Answer

A tree

Answer

The sun

Answer

A river

Answer

The wind

Question 16

What do decomposers do that helps the ecosystem?

Accepted Answer

They break down dead things into smaller pieces.

Answer

They feed on plants and animals.

Answer

They create energy from sunlight.

Answer

They hunt for other living things.

Question 17

What happens to the energy in the food we eat?

Accepted Answer

It passes from one living thing to another.

Answer

It disappears.

Answer

The decomposers make more of it.

Answer

It gets stored in the ground.

Question 18

When an ecosystem is balanced, what do you see?

Accepted Answer

A variety of plants, animals, and insects living together.

Answer

Too many rabbits and not enough plants.

Answer

Too much algae and not enough fish.

Answer

Only a few living things, like cacti.

Question 19

How do plants make their own food?

Accepted Answer

By getting energy from the sun.

Answer

By eating other plants and animals.

Answer

By breathing in air.

Answer

By drinking water.

Question 20

What is the biggest ecosystem on our planet?

Accepted Answer

The ocean

Answer

The forest

Answer

The desert

Answer

The mountains

Question 21

What is a living thing that you might find in nature?

Accepted Answer

Tree

Answer

Sun

Answer

Rock

Answer

Cloud

Question 22

What is the special name for the place where an animal lives?

Accepted Answer

Habitat

Answer

Home

Answer

School

Answer

Playground

Question 23

Which of these is a good way to protect our planet?

Accepted Answer

Recycling

Answer

Planting flowers

Answer

Littering

Answer

Wasting water

Question 24

In an ecosystem, what are plants called?

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 25

Which of these is NOT a living thing in an ecosystem?

Accepted Answer

Rock

Answer

Tree

Answer

Rabbit

Question 26

What is the name for the process where plants use sunlight to make their own food?

Accepted Answer

Photosynthesis

Answer

Breathing

Answer

Digestion

Question 27

What do decomposers do in an ecosystem?

Accepted Answer

Break down dead plants and animals

Answer

Make oxygen

Answer

Eat other animals

Question 28

What can we do to look after ecosystems?

Accepted Answer

Plant trees

Answer

Cut down trees

Answer

Use lots of energy

Question 29

Which of these is NOT alive and found in an ecosystem?

Accepted Answer

A rock

Answer

A plant

Answer

A bird

Answer

A fish

Question 30

Imagine a special plant that can make its own food from the sun. What name do we give to such special plants?

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Answer

Rocks

Question 31

Meet Bessie the cow. Bessie loves munching on grassy fields. What type of animal is Bessie?

Accepted Answer

Consumer

Answer

Producer

Answer

Decomposer

Answer

Rock

Question 32

Imagine tiny helpers in the soil and forests called decomposers. What is their special job?

Accepted Answer

Breaking down plants and animals that have stopped living

Answer

Making food for other plants and animals

Answer

Catching the sunlight for energy

Answer

Building homes for other animals

Question 33

Water is very important for life, but is it a living or non-living part of nature?

Accepted Answer

Non-living

Answer

Living

Answer

Sometimes living, sometimes non-living

Answer

I don't know

Question 34

Imagine a special word that describes how living things and non-living things work together. What is that special word?

Accepted Answer

Ecosystem

Answer

Habitat

Answer

Population

Answer

Adaptation

Question 35

Imagine a food chain like a line of friends sharing food. What's different about a food web?

Accepted Answer

A food web shows many different paths of who eats whom

Answer

A food web only shows one path of who eats whom

Answer

There's no difference between a food chain and a food web

Answer

A food chain is always longer than a food web

Question 36

In the animal kingdom, some animals are like the top bosses. We call them apex predators. Which animal is an example of an apex predator?

Accepted Answer

The mighty lion

Answer

The gentle rabbit

Answer

The sneaky fox

Answer

The colorful bird

Question 37

What do we call a community of living things and their surroundings?

Accepted Answer

An ecosystem

Answer

A neighborhood

Answer

A park

Question 38

Which of these is NOT a living thing in an ecosystem?

Accepted Answer

Water

Answer

Plants

Answer

Animals

Question 39

What do plants do for an ecosystem?

Accepted Answer

Make food from sunlight

Answer

Eat other living things

Answer

Help animals hide from predators

Question 40

Which of these animals eats other living things?

Accepted Answer

Lion

Answer

Tree

Answer

Mushroom

Question 41

Which of these is a balanced ecosystem?

Accepted Answer

A forest with many different plants and animals

Answer

A field with only one type of grass

Answer

A pond with too many fish and not enough plants

Question 42

Which of these is an example of a human activity that can harm an ecosystem?

Accepted Answer

Building a new house

Answer

Planting a garden

Answer

Watching birds in a park

Question 43

Living things in an ecosystem include:

Accepted Answer

Plants and animals

Answer

Rocks and water

Answer

Sun and soil

Answer

Air and clouds

Question 44

Plants use sunlight to make their food. What is this process called?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Digestion

Answer

Excretion

Question 45

Which animal eats plants and is a consumer?

Accepted Answer

Cow

Answer

Lion

Answer

Snake

Answer

Owl

Question 46

Which of these helps plants and animals break down and return nutrients to the soil?

Accepted Answer

Decomposers

Answer

Producers

Answer

Consumers

Answer

Pollinators

Question 47

What is the name for the variety of different living things in an ecosystem?

Accepted Answer

Biodiversity

Answer

Balance

Answer

Population

Answer

Community

Question 48

Which of the following is NOT a characteristic of living things?

Accepted Answer

They are made of rocks

Answer

They can move

Answer

They need food

Answer

They grow and change

Question 49

What do plants mainly use for energy?

Accepted Answer

Sunlight

Answer

Water

Answer

Soil

Answer

Air

Question 50

Which animal eats other animals and is called a predator?

Accepted Answer

Lion

Answer

Deer

Answer

Rabbit

Answer

Snake