Insects, Insect Ecology, And Echinoderms Flashcards

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1
Q

What kind of body do all mollusks have?

A

Soft bodies

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2
Q

A bivalve obtains food by…

A

Filtering it from the water

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3
Q

Is a snail an arthropod?

A

No.

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4
Q

What is one thing that is NOT common to all arthropods?

A

A backbone

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5
Q

An arthropod’s tough outer covering is called…

A

An exoskeleton.

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6
Q

The bodies of all spiders have…

A

Two body sections

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7
Q

Cephalopods (octupus and squid) move by…

A

Using jet propulsion.

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8
Q

What is one characteristic of insects?

A

One pair of antennae

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9
Q

Camouflage benefits insects by helping them to…

A

Avoid predators.

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10
Q

How do some insects help other living things?

A

By helping them reproduce.

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11
Q

What is a benefit of using biological controls against harmful insects?

A

They are natural predators of the harmful insects.

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12
Q

What are the stages in COMPLETE metamorphosis?

A

Egg, larva, pupa, and adult.

Ex. Butterfly

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13
Q

Molting occurs during the gradual metamorphosis of an insect whenever…..

A

The nymph outgrows its exoskeleton

Ex. Grasshopper

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14
Q

What is a characteristic of echninoderms?

A

Radial symmetry

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15
Q

How does an echinoderm use it’s water vascular system?

A

To move and capture food

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16
Q

Insect larva are specialized for….

A

Eating and growing

17
Q

What is not an insect?

A

Mite, spiders, ect.

18
Q

How does a grasshopper get oxygen?

A

Through holes connected to a system of tubes

19
Q

Insect mouthparts are adapted for….

A

Eating specific foods.

20
Q

What types of food do insects eat?

A

Anything living or once living

21
Q

An echo deem with long slender arms and flexible joints is a…

A

Brittle star

22
Q

Sea urchins move by using their…..

A

Tube feet