Flashcards in Phylum 5-9 Deck (187)
What is phylum number 5?
How big is phylum Mollusca?
Is Mollusca relatively large or small?
What are examples of animals in mollusca?
snails, mollusks, slugs, oysters, bivalves, octopus, squid,
What are characteristics of phylum Mollusca?
1. soft body
2. no segmentation
3. univalve- one shells
4. bivalve- two shells
What are the three habitat's of Mollusca?
Ocean (mostly), fresh water, and land.
What are the three classes of Phylum Mollusca?
Gastropoda, Bivalvia, and Cephalopoda.
What are examples of Gastropods?
Snails and Slugs.
What is a Slug?
A snail without the snail.
What kind of symmetry does a baby gastropod have?
What kind of symmetry does an adult snail have?
What is the mantel?
A thin curtain in the shell that separates the two parts of the clams.
What are some economic importances of clams?
1. serve as a food source for people
How are pearls formed?
formed by sucking in water circulating grains of sand it.
What is the third class of Mollusca?
What animals are in class cephalopoda?
Squid and octopi (ocean animals)
What do squid and octopi have in common with humans?
What do squid and octopi have in common with each other?
They both have tentacles.
How many tentacles do squids have?
they have 10 TEN-tacles lolololol
What are the characteristics of the class cephalopoda?
1. Weapon system
3. extremely well developed nervous system
4. Well developed head.
5. Prominent eyes.
What is an example of a squid?
the giant squid`
What is the giant squid?
-the largest invertebrate (no backbone)
-lives deep in the ocean
-50 ft long
Are all squids as big as the giant squid?
no most are quite small
What is phylum 7?
What does Arthopoda mean?
How big is phylum arthro?
Is arthro relatively large or big?
the biggest phylum
What makes up 90 percent of Arthropoda?
What is the habitat of cephalopods