Name: ______________________________
Period: ______________________________
LIFE SCIENCE ROUNDWORM REV.
HOLT CH. 27 SEC. 4 PG. 667-669
1. _________________________How many species are estimated to live on Earth?
2. _________________________how many eggs are laid each day?
3. _________________________what is another name for roundworms?
4. _________________________roundworm bodies are long and ___
5. _________________________name the 3 embryonic tissue layers to roundworms
6. _________________________how many body openings do roundworms have?
7. _________________________what type of symmetry do roundworms have?
8. _________________________define PSEUDOCOELOM
9. _________________________do roundworms have nerve/sensory cells?
10. _________________________what do roundworms feed on (3 things)
11. _________________________
12. _________________________
13. _________________________how do roundworms get oxygen?
14. _________________________how do roundworms usually reproduce
15. _________________________are roundworms hermaphrodites?
16. _________________________can roundworms be parasitic?
17. _________________________where do PINWORMS live (where/what animal)
18. _________________________what percent of children get pinworms
19. _________________________what are the symptoms of pinworm?
20. _________________________how do animals get pinworms?
21. _________________________where do hookworms live?
22. _________________________how many people of the world are infected with
hookworms?
23. _________________________what are the symptoms of hookworms
24. _________________________how do people get hookworms?
25. _________________________how do hookworms get food?
26. _________________________where do filarial worms live
27. _________________________what is the name of the condition people have when
they are infected wtth filalia worms
28. _________________________How are filarial worms passed to humans
29. _________________________where do ascarids live
30. _________________________
31. _________________________how do ascaris worms leave the body
32. _________________________where in humans do ascaris worms live
33. _________________________what is the main cause of human infection by simple
worms?
34, _________________________name 2 ways humans can prevent infection
35. _________________________