Animal Diversity

Question 0

Phylum Porifera

Answer 0

Sponges are filter feeders, meaning they obtain food by filtering water.

Question 1

Division. Of labor?

Answer 1

Each cell must obtain its own food,rid itself of waste, respond to stimuli, and reproduce

Question 2

Animals are sessile?

Answer 2

They are attached to the substrate and stay in one place

Question 3

Phylum Cnidaria

Answer 3

Two body forms: sessile polyps and mobile medusae. Both lack a head and have a radial body plan

Question 4

Skins of cnidarians?

Answer 4

Stinging cells called cnidocytes

Question 5

Cnidocytes?

Answer 5

Contain organelle called a nematocyst

Question 6

Phylum Platyhelminthes?

Answer 6

Flatworms , well developed head(cephalization), organs located in bilateral symmetry

Question 7

Flat worms?

Answer 7

Hermaphroditic

Question 8

Phylum Nematoda?

Answer 8

Roundworms move from side to side because they only have longitudinal muscles in their body wall.

Question 9

Phylum Arthropoda

Answer 9

“Jointed foot” contains horseshoe crabs, spiders,insects,crustaceans, and related groups.

Question 10

Phylum Chordata?

Answer 10

Lancelets, sea squirts, and vertebrates. All share a pharynx with slits, a postanal tail, a notochord,dorsal hollow Berber cord and segmentation of body