Unit 3 Science Memory Work

Question 1

Flatworms

Answer 1

Animals that are worm like and have flat unsegmented bodies, like flatworms.

Question 2

Nematodes

Answer 2

Animals that have round worm-like bodies with no segments, like roundworms.

Question 3

Cnidarians

Answer 3

Animals that live in water and have sack-like bodies with a single opening, like jellyfish.

Question 4

Echinoderms

Answer 4

Animals with spiny skin, sucker feet, and a five-rayed body, like starfish.

Question 5

Mollusks

Answer 5

Animals with soft-bodies; most have shells, like snails.

Question 6

Annelids

Answer 6

Animals that are worm like and have segmented bodies, like earthworms.

Question 7

Porifera

Answer 7

Animals that have perforated interior walls; most feed on bacteria, like sponges.

Question 8

Arthropods

Answer 8

Animals that have segmented bodies, jointed legs; most have a hard exoskeleton, like crabs.

Question 9

Chordates

Answer 9

Animals whose bodies are supported by a stiff rod called a notochord, like vertebrates.