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Flashcards in Mollusks And Arthropods Deck (23):
1

What is a characteristic that all mollusks have?

Soft bodies.

2

A bivalve obtains food by..

Filtering it from the water

3

Cephalopods move by using...

Jet propulsion

4

What does all arthropods NOT have?

A backbone

5

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

An exoskeleton

6

What do all millipedes have?

Two pairs of legs on each segment

7

The bodies of all spiders have...

2 body sections

8

A gastropods's radula enables it to...

Scrape food from a surface

9

Snails and slugs belong to which group of mollusks?

Gastropods

10

Which arthropods have NO antenna?

Arachnids (spiders)

11

Where do most crustaceans live?

In water

12

What is NOT an arthropod?

Grasshopper (insect)

13

T or F:
Mollusks are vertebrates with soft bodies that are often covered by a shell.

False.
INvertebrates, because of soft body

14

T or F:
A gastropod has two shells held together by hinges and strong muscles.

False.
Bivalve. A gastropod is a snail/slug

15

T or F:
Arachnids have six legs but no antenna.

False.
Spiders have eight legs

16

Gastropods have a ...... , which scrapes food from a surface.

Radula

17

Mollusks that have a single shell or no shell are called ...... .

Gastropod
Snails/slug

18

The group of mollusks that has the most complex nervous system is ...... .

Cephalopods

19

Many arthropods have appendages called ...... that help them sense their environment.

Antenna

20

Spiders, mites, and ticks belong to the group of arthropods known as.......

Arachnids.

21

The kind of arthropod known as ....... Has more legs than any other kind of arthropod.

Millipede

22

Most bivalves are ....... animals that eat both plants and animals.

Omnivores

23

Crustacean larvae develop into adults by a process called ........ .

Metamphisis