Question

and spiny - skinned animals
a. label each invertebrate below with one of these terms:
sponge, worm, mollusk, or spiny - skinned. you will need to
use some labels twice.

b. match each invertebrate below with its habitat. write
the correct letter on the line. some items may have
more than one answer. some answers will be used more
than once.

critical thinking
think of a kitchen item that has the same function as the crop of an
earthworm. think of another item that has the same function as the
gizzard of an earthworm. on a separate sheet of paper, write the
names of the kitchen items. describe their functions.

Explanation:

• Part A:
• 1. The first image is a worm.
• 2. The second image is a snail, which is a mollusk.
• 3. The third image is a sponge.
• 4. The fourth image is a starfish, which is spiny - skinned.
• 5. The fifth image is an octopus, which is a mollusk.
• 6. The sixth image is a worm.
• Part B:
• 7. Earthworms live on land (b).
• 8. Sand dollars live in water (a).
• 9. Slugs live on land (b).
• 10. Snails can live on land (b).
• 11. Sponges live in water (a).
• 12. Tapeworms live inside a host (c).

Answer:

1. worm
2. mollusk
3. sponge
4. spiny - skinned
5. mollusk
6. worm
7. b
8. a
9. b
10. b
11. a
12. c