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Home Q & A Board Biology-Related Homework Help General Biology
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caroline12345 caroline12345
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6 years ago
Cnidarians (such as jellyfish) and flatworms have _____ digestive tract, ______.
 
  a. a complete; processing food from mouth to anus
  b. a blind ended; expelling undigested wastes through the single opening
  c. a blind ended; completely digesting anything entering it
  d. no; absorbing nutrients by phagocytosis
  e. no; capturing food by filter feeding

Question 2

Which of the following vitamins is not stored in fat?
 
  a. A
  b. K
  c. C
  d. D
  e. E
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Replies
wrote...
#1
6 years ago
Answer to q. 1

B; Cnidarians and flatworms have a gastrovascular cavity, which is a blind-ended gut with a single opening. There will always be some undigested waste, and this must leave through the single opening.

Answer to q. 2

C; Vitamin C is listed in the water-soluble vitamins and explicitly presented as a vitamin that cannot be stored for later use. The other choices contain vitamins specifically listed as soluble in fat and stored there.
caroline12345 Author
wrote...
#2
6 years ago
Ready for finals now Monkey
wrote...
#3
6 years ago
Good luck my friend!
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