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Test Chapter 14
Zoology Test 14
| Question | Answer |
|---|---|
| Gastropoda means: | "belly" and "foot" |
| What is the main difference between a slug and a snail? | The snail has a NOTICEABLE shell. |
| Name the ways a snail's mucus helps it. | 1. Keeps it moist. 2. Helps it crawl. 3. Defense against predators. |
| Why do other snails or slugs follow the trail they leave behind? | To conserve energy. |
| Describe the trail of a snail and slug. They are different. | snail = broken into small blotches, slug = unbroken trial of slime |
| How does a gastropod (snail or slug) eat? | By scraping food into its mouth with its radula. |
| What is a radula? | The gastropods tongue. |
| Name the 3 basic types of worms: | flatworms, roundworms, and segmented worms |
| Which worm is found everywhere on our planet, even Antarctica? | Roundworms |
| Name the most common annelid. | The earthworm |
| What does "annellus" mean? | "little ring" |
| Earthworms are segmented worms. T or F | True (The rings around their body form segments) |
| Anything an earthworm can digest as food gets digested, and the rest comes out the back end. What is this called? | earthworm casting |
| Why must an annelid's cuticle stay wet? | They breathe through it. |
| What is the name of the tiny bristles on the bottom of an earthworm? | Setae |
| The head of a worm is called the _______________ end. | Anterior |
| The tail end of a worm is called the _____________ end. | Posterior |
| When earthworms mate, only the female lays eggs. T or F | FALSE (They both lay eggs that hatch into small worm) |
Created by:
elizabethzoology
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