🪱 Flatworms, Roundworms, and Molluscs css Copy Edit

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10 Terms

1
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What are the three types of flatworms?

Planarian, fluke, and tapeworm

2
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Describe a planarian.

A free-living flatworm with a simple brain, eyespots, and a gastrovascular cavity

3
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Describe a fluke.

A parasitic flatworm that lives in host tissues and has a complex life cycle

4
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Describe a tapeworm.

A parasitic flatworm that lives in intestines and absorbs nutrients directly through skin

5
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Which bilateral animals do NOT have a body cavity or coelom?

D) Flatworms

6
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What are characteristics of nematodes (roundworms)?

Bilateral symmetry, cylindrical body, cuticle that molts, complete digestive tract, pseudocoelomate, no circulatory system, many are parasites

7
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Which animals are bilateral roundworms with a cuticle that sheds?

C) Nematodes

8
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What do all molluscs have in common?

Muscular foot, visceral mass, and mantle

9
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Give examples of molluscs.

Snails, clams, squids, octopuses

10
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Which group of animals has a muscular foot, visceral mass, and mantle?

B) Molluscs