Quiz about Ecosystems and Food Webs

Question 1

All energy on Earth ultimately comes from what source?

Accepted Answer

Sun

Answer

Water

Answer

Consumers

Answer

Oxygen

Question 2

The arrows in a food chain or web represents what?

Accepted Answer

They show what direction the energy is flowing between organisms.

Answer

They point to the organism that is being eaten.

Answer

It shows how sunlight flows within an ecosystem.

Answer

They represent how water is transferred within a habitat.

Question 3

An organism that uses sunlight to create its own food is known as a:

Accepted Answer

Producer

Answer

Heterotroph

Answer

Consumer

Answer

Decomposer

Question 4

Why might an organism have more than one arrow coming from them in a food web?

Accepted Answer

More than one organism may eat them.

Answer

They may eat more than one other organism.

Answer

This organism gets its energy from multiple sources.

Answer

They have no resources available to them.

Question 5

This organism recycles nutrients back into the soil when it breaks down dead stuff

Accepted Answer

decomposers

Answer

producers

Answer

consumers

Question 6

Earthworms help break down plant and animal remains and return the nutrients back into the soil. What are earthworms?

Accepted Answer

decomposers

Answer

consumers

Answer

producers

Answer

predators

Question 7

Which organism is the producer?

Accepted Answer

algae/seaweed

Answer

small fish

Answer

penguin

Answer

killer whale

Question 8

An organism that lives by breaking apart dead organic matter into simpler parts is...

Accepted Answer

decomposer

Answer

scavenger

Answer

consumer

Answer

carnivore

Question 9

What is this called?

Accepted Answer

Food Chain

Answer

Food Web

Answer

Abiotic Factors

Question 10

A group of organisms of the same species living in the same area are called a/an ________.

Accepted Answer

population

Answer

community

Answer

habitat

Answer

ecosystem

Question 11

All of the living and nonliving things in an area that interact with each other are called a/an ______.

Accepted Answer

ecosystem

Answer

community

Answer

habitat

Answer

population

Question 12

How do bacteria, or decomposers, help the ecosystem?

Accepted Answer

Breaks down dead animals

Answer

Give of Carbon Dioxide

Answer

Give off Oxygen

Answer

It doesn't help them, it kills them

Question 13

How do animals help keep plants alive in an ecosystem?

Accepted Answer

Gives off Carbon Dioxide

Answer

Eats them

Answer

Gives off Oxygen

Answer

Nothing

Question 14

Plants are producers, what do they produce that animals need to survive?

Accepted Answer

Both Food and Oxygen

Answer

Food

Answer

Oxygen

Answer

Neither

Question 15

When one type of organism eats another; ________ is passed from one level to another.

Accepted Answer

Energy

Answer

Food

Answer

Water

Question 16

A __________ is an ordered arrangement of animals and plants in which each feeds on the one below it.

Accepted Answer

Food Chain

Answer

Food Web

Answer

Ecosystem

Answer

Consumer

Question 17

A ________________ is the complex network of food chains.

Accepted Answer

Food Web

Answer

Food Network

Answer

Ecosystem

Answer

Producer

Question 18

What are the different levels of a food web?

Accepted Answer

Decomposer, Producer, Herbivore, Carnivore, Omnivore

Answer

Producers, Herbivore, Carnivore, Decomposer

Answer

Producers, Omnivore, Carnivore, Decomposer

Answer

Herbivore, Omnivore, Carnivore

Question 19

A habitat is home to a tangle of food chains called ___

Accepted Answer

a food web

Answer

a nutrient hub

Answer

an energy chain

Answer

the carbon cycle

Question 20

The interaction of living and non-living things in a habitat is called ___

Accepted Answer

an ecosystem

Answer

an environment

Answer

a food web

Answer

a food chain

Question 21

The things in an ecosystem are all ___

Accepted Answer

connected

Answer

separate

Answer

scattered

Answer

unrelated

Question 22

What is an ecosystem?

Accepted Answer

all the living and nonliving things that share an environment

Answer

the pattern of weather that affects an area

Answer

the life cycle of a plant

Answer

all the living things in a forest or desert

Question 23

What are plants and animals that get their energy from eating other living things?

Accepted Answer

consumers

Answer

producers

Answer

herbivores

Answer

decomposers

Question 24

What part of a food chain only eats meat?

Accepted Answer

carnivore

Answer

omnivores

Answer

producers

Answer

herbivore

Question 25

How do living things get energy?

Accepted Answer

by eating

Answer

by sleeping

Answer

by drinking water

Answer

by moving around

Question 26

Elephants only eat plants.  What kind of consumer is an elephant?

Accepted Answer

herbivore

Answer

producer

Answer

omnivore

Answer

carnivore

Question 27

Which of the following is a way that humans could change/destroy an ecosystem?

Accepted Answer

Building a shopping center

Answer

Mowing the grass

Answer

enjoying a picnic

Answer

watching tv

Question 28

Which of the following is a natural disaster that could wipe out an ecosystem?

Accepted Answer

forest fire

Answer

a sunny day

Answer

rain

Answer

thunder storm

Question 29

Which of the following to omnivores eat?

Accepted Answer

both plants and animals

Answer

plants only

Answer

meat only

Answer

they make their own food

Question 30

What is a food web?

Accepted Answer

a network of food chains in an ecosystem

Answer

a web created by a spider to trap its food

Answer

a community of plants and animals

Answer

the food that one animal eats

Question 31

Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. How do these actions most benefit plants?

Accepted Answer

By returning nutrients to the soil

Answer

By releasing oxygen into the air

Answer

By making space for new animals

Answer

By decreasing the population of herbivores

Question 32

Some facts about a bird called the painted redstart are listed in the box above. Which fact best describes one way this bird changes its environment to meet its needs?

Accepted Answer

Fact 1

Answer

Fact 2

Answer

Fact 3

Answer

Fact 4

Question 33

Some facts about birds called Cattle Egrets are listed below. Which of these facts best describes how these birds depends on other animals to survive?

Accepted Answer

Fact 3

Answer

Fact 1

Answer

Fact 2

Answer

Fact 4

Question 34

The table lists ways that four organisms obtain energy. Which organism obtains energy without depending on another organism?

Accepted Answer

Oak tree

Answer

Mushroom

Answer

Cottontail Rabbit

Answer

Mountain Lion

Question 35

A student observes the following activities while walking in a park. Which of these living organisms was interacting with another living organism in the environment?

Accepted Answer

Bee

Answer

Fire ant

Answer

Blue jay

Answer

Hawk

Question 36

When living things battle each other for resources, it is called

Accepted Answer

competition

Answer

producing

Answer

recycling

Answer

cooperation

Question 37

An ecosystem is made up of all the ___________ and _____________ factors in an area.

Accepted Answer

Living/ Nonliving

Answer

not/without

Answer

Limiting Factor/ Carrying Capacity

Answer

life/ biotic factor

Question 38

Two or more food chains that share links make a

Accepted Answer

food web

Answer

community

Answer

fossil

Question 39

The owl receives energy from which organisms?

Accepted Answer

mouse and rabbit

Answer

grasshopper and mouse

Answer

rabbit and butterfly

Answer

butterfly and frog

Question 40

Which organism is the top predator in this food web?

Accepted Answer

killer whale

Answer

leopard seal

Answer

elephant seal

Answer

crabeater seal

Question 41

How many predators does the squid have?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 42

Name the producers in this food web.

Accepted Answer

phytoplankton and seaweed

Answer

seagull and fish

Answer

penguin and crab

Answer

seaweed and zooplankton

Question 43

What type of consumer is the shrew?

Accepted Answer

carnivore

Answer

herbivore

Answer

omnivore

Question 44

What type of consumer is the impala?

Accepted Answer

herbivore

Answer

omnivore

Answer

carnivore

Question 45

Which one is NOT an example of a decomposer?

Accepted Answer

leaves

Answer

mushroom

Answer

mold

Answer

worm

Question 46

Many animals in an ecosystem depend on other animals for

Accepted Answer

energy

Answer

air

Answer

shelter

Answer

water

Question 47

Which best describes why many kinds of plants and animals can live together in an ecosystem?

Accepted Answer

The plants and animals are all part of a food chain and depend on each other to live.

Answer

The plants and animals all care for each other and protect one another.

Answer

The plants and animals are independent of one another, so they can live together.

Question 48

Which would most likely increase the number of squirrels living in an area?

Accepted Answer

reducing the number of animals that hunt and kill squirrels

Answer

cutting down trees that serve as habitats for squirrels

Answer

planting trees that produce nuts squirrels do not eat

Question 49

Which food chain is shown correctly?

Accepted Answer

C

Answer

A

Answer

B

Question 50

Jake goes fishing and notices a sign saying that he must release all the fish back into the water after he catches them. Which explains how this would most likely benefit the ecosystem?

Accepted Answer

It helps to maintain a balanced food chain.

Answer

It supplies more food for aquatic life living in the lake.

Answer

It keeps fish available for when Alex goes fishing.

Question 51

Which will most likely happen to the grasshopper population if the grass population decreases?

Accepted Answer

The grasshopper population will decrease because there will be less food available.

Answer

The grasshopper population will increase because there will be less competition.

Answer

People will come in and make chocolate covered grasshoppers.

Question 52

Which best explains how organisms in an overpopulated community interact with each other?

Accepted Answer

They compete with each other for food and survival.

Answer

They occupy different habitats to avoid overcrowding.

Answer

They work together to gather food for their community.

Question 53

Which best explains how a pond ecosystem is similar to a rainforest ecosystem?

Accepted Answer

Both ecosystems support food webs made up of producers and consumers.

Answer

Both ecosystems contain large amounts of water.

Answer

Both ecosystems are found in most parts of the world.

Question 54

Bailey noticed that Koala bears eat very little other than eucalyptus leaves. Which would most likely happen if this food source was destroyed?

Accepted Answer

Koalas may become extinct.

Answer

Koalas may become carnivores.

Answer

Koalas may remain in the area.

Question 55

A simple food chain includes hawks, lizards, and insects. Which will most likely happen to the lizard and hawk populations if a pesticide is sprayed to kill the insects, and the lizard and hawk populations cannot find other food in this ecosystem?

Accepted Answer

Both the lizard population and the hawk population will decrease.

Answer

Both the lizard population and the hawk population will increase.

Answer

Both the lizard population and the hawk population will just go eat at Waffle House.

Question 56

What would most likely happen to the food chain in the picture if Lucas decides to dust his wheat crop with an insecticide?

Accepted Answer

There would be fewer sparrows in the fields.

Answer

The wheat would become greener.

Answer

Other birds would move into the fields.

Question 57

In a food chain, foxes are consumers of rabbits and mice. If the mice population suddenly decreases, what will most likely happen to the number of foxes?

Accepted Answer

The number of foxes will decrease because they will only have one remaining food source.

Answer

The number of foxes will increase because they will eat fewer rabbits.

Answer

The number of foxes will decrease because they will be eaten by the rabbits.

Question 58

Aphids are tiny insects that feed on the leaves of garden plants. Ladybugs eat aphids. If ladybugs eat all the aphids in a garden, which will most likely increase over time?

Accepted Answer

the number of garden plants

Answer

the number of ladybugs

Answer

the amount of sooty mold

Question 59

The removal of which organism would result in the most damage to the ecosystem?

Accepted Answer

grass

Answer

fox

Answer

rabbit

Answer

grasshopper

Question 60

Biotic factors in a biome

Accepted Answer

kinds of birds

Answer

sand

Answer

water

Answer

air

Question 61

Abiotic factor in a marine biome

Accepted Answer

water depth

Answer

seaweed

Answer

coral

Answer

dolphin

Question 62

Most of the nutrients in a tropical rain forest are found in plants so,

Accepted Answer

the rainforest soil is poor in nutrients

Answer

the rain forest soil is very rich.

Answer

there are few animals in the rain forest.

Answer

there are few plants in the rainforest.

Question 63

Has permafrost; in the Arctic or Antarctic

Accepted Answer

polar tundra

Answer

alpine tundra

Answer

savanna

Answer

desert

Question 64

Has clumps of trees and seasonal rains

Accepted Answer

savanna

Answer

temperate deciduous forest

Answer

coniferous forest

Answer

temperate grassland

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