Insects, Insect Ecology, And Echinoderms Flashcards Preview

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Flashcards in Insects, Insect Ecology, And Echinoderms Deck (22):
1

What kind of body do all mollusks have?

Soft bodies

2

A bivalve obtains food by...

Filtering it from the water

3

Is a snail an arthropod?

No.

4

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

A backbone

5

An arthropod's tough outer covering is called...

An exoskeleton.

6

The bodies of all spiders have...

Two body sections

7

Cephalopods (octupus and squid) move by...

Using jet propulsion.

8

What is one characteristic of insects?

One pair of antennae

9

Camouflage benefits insects by helping them to...

Avoid predators.

10

How do some insects help other living things?

By helping them reproduce.

11

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

They are natural predators of the harmful insects.

12

What are the stages in COMPLETE metamorphosis?

Egg, larva, pupa, and adult.
Ex. Butterfly

13

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

The nymph outgrows its exoskeleton
Ex. Grasshopper

14

What is a characteristic of echninoderms?

Radial symmetry

15

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

To move and capture food

16

Insect larva are specialized for....

Eating and growing

17

What is not an insect?

Mite, spiders, ect.

18

How does a grasshopper get oxygen?

Through holes connected to a system of tubes

19

Insect mouthparts are adapted for....

Eating specific foods.

20

What types of food do insects eat?

Anything living or once living

21

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

Brittle star

22

Sea urchins move by using their.....

Tube feet