Show:
Porifera and Cnidaria
Worms
Arthropods and Echinoderms
Mollusks
Chordates
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

Mollusks have ________ symmetry

What is bilateral

100
What is the defining structure all Chordates share?
A notochord (most also have a backbone)
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 Mollusks without shells

Squid, Octopus, Cuttlefish

200
What type of symmetry do Chordates exhibit?
Bilateral symmetry
300
This phyla's members are sedentary.
Porifera
300
Most members of this phylum are parasitic.
Platyhelminthes (flatworms)
300
What type of body symmetry do Echinoderms exhibit?
5-part radial symmetry
300

Mollusks live in what kind of environment

Water or Moist environments

300
Name the five classes of Chordates.
Fish, Amphibians, Reptiles, Birds and Mammals
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

Name two Mollusks with shell(s)

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

400
What enables the complexity of Chordates?
Much more DNA
500
What are nematocysts?
Stinging cells in Cnidarians.
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 do Echinoderms move around?
Tube feet
500

What percentage of animal species are mollusks if out of 1,000 species 48 are mollusks.

What is 4.8%

500
Describe the skeletons of chordates.
Inside skeleton made of bones.