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Samuel Darvish
Blume - Ch 12.3 Extension
| Question | Answer |
|---|---|
| Worms are divide into two types ____ and _____. | Roundworms and Tapeworms |
| Worms have what kind of symmetry? | Bilateral |
| All worms are______with three tissue layers. | Invertebrates |
| _____ and _____ are types of parasite flatworms. | Tapeworms and flukes |
| Planarians are what kind of flatworms? | free-living |
| Roundworms are the first group of animals to evolve with a digestive system with what two things? | Mouth and anus |
| What kind of parasite attacks dogs? | Heartworms |
| Roundworms compromise a group of worms known as______ | Nematodes |
| How does a tapeworm eat? | Tapeworms attach themselves in a host's intestine and absorb food the host has digested. |
| Describe the life cycle of a fluke. | The eggs are fertilized in the female and she lays the fertilized eggs in a host. The eggs leave in the host's waste and often infect snails after being deposited in water. |
| What is the most widespread human disease caused by flukes? | Schistosomiasis |
| Name three ways roundworms are helpful to humans. | 1. Provide healthy soil. 2. Roundworms fight insects 3. Kill ticks that cause Lyme disease |
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sdarvish
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