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Unit B, Ch3 Test

Last updated over 1 year ago

37 questions

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This test also has an attached chart to complete

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Question 2

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Question 3

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Question 7

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Question 9

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Question 10

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Question 11

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Question 12

12.

List or describe two ways in which a bivalve can protect itself when it closes its shells.

Question 13

13.

List two ways earthworms help plants grow.

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Question 34

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Question 35

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Question 36

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Question 37

37.

To survive, all biotic organisms need all of these except?

Food

Shelter

lungs

Water

oxygen

The word 'muscular foot' is commonly used to describe which group of animals?

Reptiles

Mammals

Birds

Mollusks

Which animal uses protein rods for their skeletal structure?

Fish

Mammal

Bird

Sponge

Which of these would an arthropod NOT do to protect itself immediately after it molts?

It stays hidden until its new exoskeleton hardens

It camouflages with its surroundings

It fights off predators with its strong jaws

It immediately goes underground for protection

Why does an arthropod need to molt?

To enhance its mobility

To reproduce

To grow, because its hard exoskeleton does not expand

To change its appearance

What happens to an arthropod's exoskeleton after molting?

It develops a new, larger exoskeleton

It reuses the same exoskeleton

It lives without an exoskeleton

It adopts a soft body structure

Which of these is a mollusk without a shell sometimes found in gardens?

Beetle

Ant

Slug

Worm

What does a sea urchin use for movement and feeding?

Shell

Mouth

Spines

Tube feet

What protects a sea urchin from predators?

Teeth

Spines

Tail

Claws

How does a sea urchin breathe?

Through gills

Through lungs

Through tiny pores in its body

Through a snout

What do sea urchins primarily eat?

Algae

Other sea urchins

Fish

Plankton

What type of exoskeleton does a spider have?

Jointed

Smooth

Feathered

Fur-covered

What characteristic feature do cnidarians share?

They have stinging cells

They have fur

They have scales

They have feathers

Which of the following is not a characteristic of arthropods?

Having an internal skeleton

Possessing an exoskeleton

Having jointed appendages

Having segmented bodies

What category of animals do flatworms and roundworms belong to?

Reptiles

Vertebrates

Mammals

Invertebrates

How do echinoderms usually move?

With wings

With tube feet

With tentacles

With fins

What type of digestive system does a roundworm have?

Only in adults

An incomplete one

A complete one

None

What type of animals are classified as cnidarians?

Marine invertebrates

Amphibians

Mammals

Reptiles

What is a key feature of an insect’s physical structure?

Bony skeleton

Soft shell

Jointed exoskeleton

Multiple hearts

What is the term for a skeleton that is outside of an animal's body?

Exoskeleton

Outer skeleton

Epidermis

Endoskeleton

What type of skeleton does an insect have?

Endoskeleton

Exoskeleton

Hydroskeleton

Aeroskeleton

Which statement about parasites is incorrect?

Parasites can cause harm

Parasites depend on their hosts for survival

Parasites are beneficial to their hosts

Parasites can live inside or outside hosts

What type of worm has only a single opening to its digestive system?

Flatworm

Earthworm

Tapeworm

Roundworm

Which one of these is not a water breathing method

Skin absorption

Gill breathing

Lung breathing

Through tiny hairs

Which type of animal can extract oxygen from water through its skin?

Frog

Shark

Squid

Whale

Which of the following is an example of an echinoderm?

Jellyfish

Catfish

Starfish

Goldfish

mollusks move their muscular feet to

move food to their mouth

move or to burrow in the sand

drill into hard surfaces

release fertilized eggs into the water

Which of these is not typical of invertebrates?

Being able to regenerate lost body parts

Having an endoskeleton

Absence of backbone

Having exoskeleton

What is common in echinoderms but not in mammals?

Spine

Heart

Radial symmetry

Brain

What group do animals like worms, snails, and octopus belong to?

Reptiles

Vertebrates

Invertebrates

Mammals

Which of the following is an invertebrate?

Elephant

Jellyfish

Eagle

Dog

Why don't invertebrates have a backbone?

They have thick skin

Their body is too small

They have an exoskeleton for structure

They don't need one

Animals that have backbone are also known as ____?

Vertebrates

Reptiles

Invertebrates

Mammals

What is radial symmetry in biological organisms similar to?

A mirror reflection

A shadow

A puzzle piece

A pie cut into even slices

Which animal group does a starfish belongs to?

Echinoderms

Birds

Amphibians

Reptiles