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Flashcards in Phylum 5-9 Deck (187)
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1

What is phylum number 5?

Phylum Mollusca

2

How big is phylum Mollusca?

100,000 species

3

Is Mollusca relatively large or small?

Large

4

What are examples of animals in mollusca?

snails, mollusks, slugs, oysters, bivalves, octopus, squid,

5

What are characteristics of phylum Mollusca?

1. soft body
2. no segmentation
3. univalve- one shells
4. bivalve- two shells

6

What are the three habitat's of Mollusca?

Ocean (mostly), fresh water, and land.

7

What are the three classes of Phylum Mollusca?

Gastropoda, Bivalvia, and Cephalopoda.

8

What are examples of Gastropods?

Snails and Slugs.

9

What is a Slug?

A snail without the snail.

10

What kind of symmetry does a baby gastropod have?

Bilateral symmetry.

11

What kind of symmetry does an adult snail have?

Asymmetrical symmetry.

12

What is the mantel?

A thin curtain in the shell that separates the two parts of the clams.

13

What are some economic importances of clams?

1. serve as a food source for people
2. pearls

14

How are pearls formed?

formed by sucking in water circulating grains of sand it.

15

What is the third class of Mollusca?

Cephalopoda

16

What animals are in class cephalopoda?

Squid and octopi (ocean animals)

17

What do squid and octopi have in common with humans?

Good eyesight.

18

What do squid and octopi have in common with each other?

They both have tentacles.

19

How many tentacles do squids have?

they have 10 TEN-tacles lolololol

20

What are the characteristics of the class cephalopoda?

1. Weapon system
2.Locomotion well
3. extremely well developed nervous system
4. Well developed head.
5. Prominent eyes.

21

What is an example of a squid?

the giant squid`

22

What is the giant squid?

-the largest invertebrate (no backbone)
-lives deep in the ocean
-50 ft long

23

Are all squids as big as the giant squid?

no most are quite small

24

What is phylum 7?

Phylum Arthropoda-

25

What does Arthopoda mean?

jointed appendages

26

How big is phylum arthro?

1,000,000 species

27

Is arthro relatively large or big?

the biggest phylum

28

What makes up 90 percent of Arthropoda?

insects

29

What is the habitat of cephalopods

the ocean

30

Where do arthropods live?

fresh water and land