Mutualism
Animal Partners
Plant Partners
Populations
Food Relationships
100

What is mutualism

A. A relationship where both organisms benefit
B. A relationship where both organisms are harmed
C. A relationship where animals fight
D. A relationship where one animal hunts another

A. A relationship where both organisms benefit

100

What does a cleaner fish eat from a sea turtle’s shell?

A. Grass
B. Algae and small organisms
C. Large fish
D. Flowers

B. Algae and small organisms

100

What does the woolly bat get from the pitcher plant?

A. A place to rest
B. A shell cleaning
C. A warning call
D. A flower to eat


A. A place to rest

100

What is a population?

A. One single animal
B. A group of the same kind of organism living in an area
C. A type of weather
D. A place where only plants live

B. A group of the same kind of organism living in an area

100

What do carnivores eat?

A. Only plants
B. Other animals
C. Rocks
D. Sunlight

B. Other animals

200

In mutualism, how many organisms benefit?

A. No organisms
B. Only one organism
C. Both organisms
D. Only predators

C. Both organisms

200

How does the sea turtle benefit from cleaner fish?

A. The fish clean the turtle’s shell
B. The fish teach the turtle to swim
C. The fish give the turtle sunlight
D. The fish turn into turtles

A. The fish clean the turtle’s shell

200

What animal rests inside some pitcher plants?

A. Clownfish
B. Zebras
C. Sea turtles
D.  Woolly bats

D.  Woolly bats

200

 In mutualism, what can happen when one population grows?

A. The other population may also grow
B. The other population always disappears
C. The animals stop needing food
D. The ecosystem freezes

A. The other population may also grow

200

What does a herbivore eat?

A. Plants
B. Only meat
C. Plastic
D. Other predators

A. Plants

300

What are organisms in a mutualism relationship called?

A. Predators
B. Prey
C. Mutualists
D. Carnivores

C. Mutualists

300

Why does a clean shell help a sea turtle?

A. It helps the turtle fly
B. It helps the turtle stay healthy
C. It helps the turtle eat plants
D. It helps the turtle become a fish

B. It helps the turtle stay healthy

300

What does the pitcher plant get from the woolly bat?

A. A clean shell
B. Protection from sharks
C. Nutrients from the bat’s waste
D. A new flower

C. Nutrients from the bat’s waste

300

What can happen if one mutualist population shrinks?

A.  The other population becomes a plant
B. The other population must become predators
C.  The other population may also shrink
D. Nothing can ever change

C.  The other population may also shrink

300

What does an omnivore eat?

A. Only plants
B. Only animals
C. Plants and animals
D. Only algae

C. Plants and animals

400

Why can mutualism help organisms survive?

A. It helps organisms get food, shelter, cleaning, or protection
B. It makes all animals become predators
C. It stops all populations from changing
D. It means organisms never need food


A. It helps organisms get food, shelter, cleaning, or protection

400

How do oxpeckers help large mammals like zebras and rhinos?

A. They eat parasites from the mammals’ bodies
B. They give the mammals water
C. They carry the mammals
D. They build nests for the mammals

A. They eat parasites from the mammals’ bodies

400

What two organisms make up lichen?

A. A lion and a zebra
B. A clownfish and an anemone
C. An alga and a fungus
D. A turtle and a fish

C. An alga and a fungus

400

Why are mutualist populations connected?

A. They depend on each other for help
B. They are always the same species
C. They never need each other
D. They only live in deserts

A. They depend on each other for help

400

In a predator-prey relationship, what is the predator?

A. The animal that is hunted
B. The animal that hunts another animal for food
C. The plant that makes food from sunlight
D. The organism that cleans shells

B. The animal that hunts another animal for food

500

Which example best shows mutualism?

A. A lion hunts a zebra
B. A cleaner fish eats algae from a sea turtle’s shell, and the turtle gets cleaned
C. A wolf hunts a moose
D. A bear eats berries

B. A cleaner fish eats algae from a sea turtle’s shell, and the turtle gets cleaned

500

How do both the oxpecker and large mammal benefit?

A. The oxpecker gets food, and the mammal gets parasites removed
B. The oxpecker gets shelter, and the mammal gets sunlight
C. The mammal eats the oxpecker, and the oxpecker hides
D. Both organisms are harmed

A. The oxpecker gets food, and the mammal gets parasites removed

500

How do the alga and fungus help each other in lichen?

A. The alga makes food, and the fungus gives shelter and helps absorb water
B. The fungus hunts prey, and the alga runs away
C. The alga eats the fungus
D. The fungus stings the alga

A. The alga makes food, and the fungus gives shelter and helps absorb water

500

A disease kills many cleaner fish. What might happen to the sea turtles that depend on them?

A. The turtles will no longer need food
B. The turtles will become cleaner fish
C. The turtles may have dirtier shells and a harder time staying healthy
D. The turtles will turn into plants

C. The turtles may have dirtier shells and a harder time staying healthy

500

If there are more predators, what may happen to the prey population?

A. The prey population may go down
B. The prey population will always go up
C. The prey will become predators
D. The prey will stop needing food

A. The prey population may go down