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Introduction to Animals

Total questions: 35

Worksheet time: 12mins

Name
Class
Date
1.

Which is a characteristic of animals?

a)

having cells

b)

No nucleus

2.

Which is a characteristic of animals?

a)

Eat

b)

No cells

3.

Which is a characteristic of animals?

a)

Digest food

b)

Don't digest food

4.

Which is a characteristic of animals?

a)

Reproduce

b)

Don't reproduce

5.

Which animal eats only meat?

a)

carnivore

b)

omnivore

6.

Which animal eats only plants?

a)

herbivore

b)

carnivore

7.

Which animal eats plants and animals?

a)

omnivore

b)

herbivore

8.

Speed can protect an animal from being eaten.

a)

true

b)

false

9.

An animal that's prey with markings of a predator animal is called _?

a)

mimicry

b)

copying

10.

An example of an animal using a chemical defense is _?

a)

an octopus squirting ink

an octopus squirting ink

b)

a deer grunting

a deer grunting

11.

Traveling in ___ can help protect animals.

a)

herds

herds

b)

the desert

the desert

12.

Vertebrates...

a)

have a backbone

b)

don't have a backbone

13.

Bi-lateral symmetry of an animal means ...

a)

they have halves that are nearly mirror images

they have halves that are nearly mirror images

b)

they have parts arranged in a circle.

they have parts arranged in a circle.

14.

This animal eats by filtering food particles out of water.

a)

sponge

sponge

b)

Planaria

Planaria

15.

Most sponges are __ producing both sperm and eggs.

a)

hermaphrodite

b)

male

16.

Invertebrates that include corals, sea anemones, jellyfish and hydras.

a)

Cnidarians

b)

Sponges

c)

Polyps

17.

This animal body type is shaped like a bell with tentacles hanging below it.

a)

Medusa

Medusa

b)

Sponges

Sponges

c)

Polyp

Polyp

18.

This animal body type is shaped like a vase attached to a surface with tentacles coming out of the top of it.

a)

Medusa

Medusa

b)

Sponges

Sponges

c)

Polyp

Polyp

19.

Most cnidarians have this feature.

a)

stinging cells

b)

vertebrae

20.

Cnidarians can reproduce ___.

a)

sexually and asexually

b)

sexually only

21.

Coral reefs grow larger when new coral grow on top of earlier generations of coral

a)

true

b)

false

22.

All flatworms are parasites.

a)

true

b)

false

23.

Most flukes reproduce ___.

a)

sexually

b)

asexually

24.

Flukes are considered flatworms

a)

true

b)

false

25.

Tapeworms can grow as long as your intestines (6-26ft.)

a)

true

b)

false

26.

Roundworms live in many different environments.

a)

true

b)

false

27.

Hookworms aren't damaging to humans

a)

true

b)

false

28.

Dogs don't need a shot or medicine to prevent heartworms

a)

true

b)

false

29.

Fertilized eggs from a tapeworm pass out of a body an can infect another host.

a)

true

b)

false

30.

Tapeworms absorb food digested by the host.

a)

true

b)

false

31.

Animals like sponges that stay attached to one area for their entire life are called ___.

a)
floating
b)

Lazy

c)
sessile
32.

Years ago why did people think sponges were plants?

a)

They don't move.

b)

They have chlorophyll.

c)

Their leaves fall off in the fall.

d)

All answers are true

33.

Why are parasitic worms harmful?

a)

They absorb nutrients from it's host causing it wo become weaker.

b)

They aren't harmful.

c)

They absorb nutrients but give back other nutrients.

34.

Worms are considered ___.

a)

invertebrates

b)

vertebrates

c)

invertebrates and vertebrates

35.

Colorings or marking an animal has that allows it to hide.

a)

Camouflage

Camouflage

b)

Mimicry

Mimicry