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Home Q & A Board Biology-Related Homework Help General Biology
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bector215 bector215
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6 years ago
The sea squirts and lancelets have an inner chamber that expels water. This chamber is called the
 
 a. intestine.
  b. bladder.
  c. atrium.
  d. nephridium.

Question 2

The sieve plate, stone canal, circular canal, and radial canals of a sea star are structures of the
 
 a. nervous system.
  b. water-vascular system.
  c. digestive system.
  d. excretory system.
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joehendyjoehendy
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6 years ago
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bector215 Author
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6 years ago
Smart ... Thanks!
mcraver1
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Yesterday
Brilliant ツ
loki1345
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2 hours ago
Just got PERFECT on my quiz
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