Show:
Porifera and Cnidaria
Worms
Arthropods and Echinoderms
Molluscs
100
What animals are members of Porifera?
Sponges
100
Platyhelminthes includes what type of animals?
Flatworms
100
What phylum do insects, crabs, and lobster belong to?
Arthropods
100

Name two Molluscs with external shells

Clams, Oysters, mussels, scallops, cowrie, whelks, snails, etc...

200
Name any TWO members of Cnidaria.
Coral, jellyfish, sea anemone, etc...
200
Annelida includes what type of animals?
Segmented worms
200
Name TWO members of Echinodermata.
Sea urchin, sea star, sea cucumber, sand dollar, etc...
200

Name two Molluscs without external shells

Squid, Octopus, Cuttlefish

300

This phyla's members are sessile (sedentary).

Porifera

300

Pronouce annelida properly.

a·nuh·lee·duh

300
What type of body symmetry do Echinoderms exhibit?
5-part radial symmetry
300

What type of symmetry do molluscs have?

bilateral

400
What type of symmetry do members of Porifera exhibit?
Asymmetry (none)
400
What type of symmetry do worms exhibit?
Bilateral symmetry
400
What is an Arthropod's outside skeleton called?
An exoskeleton
400

What is the name of the structure mollsucs have to help them move (think the clams "tongue")?

the foot

500

What are the two life cycle phases of cnidaria?

Medusa and polyp.

500
Compare the digestive tract of flatworms and segmented worms.
Flatworms have a digestive tract with one opening (entrance/exit) and segmented worms have a complete digestive tract with two ends.
500

How can Echinoderms reprocuce?

Sexually and asexually

500

What is the name of the tissue which gererates the shell of the mollusc?  

Mantle