Understanding Symbiosis in Nature

What do we call it when two different animals live closely together and help each other?

• Competition

• Symbiosis

• Predator

• Prey

Which word means that both animals get good things from helping each other?

• Parasitism

• Mutualism

• Commensalism

• Adaptation

What is a parasite?

• An animal that gives food or a home to another animal

• An animal that takes food or shelter from another animal and hurts it

• An animal that hunts and eats other animals

• An animal that gets hunted or eaten

Which of these is an example of mutualism?

• A bird eating insects off a cow’s back, and the cow gets rid of bugs

• A tick biting a dog and making it itchy

• A lion hunting a zebra

• A bird building a nest in a tree, and the tree doesn’t notice

Tags

NGSS.MS-LS2-2

If one animal gets help and the other animal doesn’t mind or notice, what is this called?

• Parasitism

• Mutualism

• Commensalism

• Competition

Which of these is an example of parasitism?

• Two birds building a nest together

• A tick biting a dog and making it itchy

• A fish swimming in a pond

• A bee getting nectar from a flower and helping it make seeds

Tags

NGSS.MS-LS2-4

What do we call the animal that gives food or a home to another animal?

• Host

• Parasite

• Predator

• Prey

A bird builds its nest in a tree, but the tree is not helped or hurt. What kind of symbiosis is this?

• Mutualism

• Parasitism

• Commensalism

• Competition

Tags

NGSS.MS-LS2-2

Why is a bee and a flower an example of mutualism?

• The bee gets nectar, and the flower gets help making seeds

• The bee hurts the flower

• The flower eats the bee

• The bee builds a nest in the flower

Tags

NGSS.MS-LS2-2

A remora fish rides on a shark and eats leftover food scraps, but the shark is not helped or hurt. What type of symbiosis is this?

• Parasitism

• Mutualism

• Commensalism

• Competition