Features of the flatworm-mollusk and annelid body cavity

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Reference no: EM133933427

Questions

1. Compare the features of the flatworm, mollusk, and annelid body cavity, digestive tract, and circulatory system.

2. Pick two diseases caused by a platyzoan-with 2 sentences, describe them.

3. How do cnidarians sting their prey?

4. How do sea stars move?

5. What advantages exist for flowering plants and insect pollinators that coevolved?

6. What advantages exist for multicultural organisms over single celled?

7. Cnidarians such as Hydra only have one opening, which must serve a both mouth and anus. contrast most animals species have a won way, tube-like digestive system, which separate openings for intake and outtake. Describe some advantages of each.

8. Many species of invertrabirates are parasites of other animals. List several advantages as well as challenges of a parasitic lifestyle. Give a couple of examples of parasitic invertrabates.

Reference no: EM133933427

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