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Carlina864 Carlina864
wrote...
Posts: 488
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6 years ago
Nematodes and rotifers have a body cavity that is
 
 a. called a coelom.
  b. called a pseudocoelom.
  c. completely lined by tissues derived from mesoderm.
  d. both a and c.

Question 2

The insects were the first organisms to
 
 a. show bilateral symmetry.
  b. exhibit segmentation.
  c. fly.
  d. develop lungs.
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Replies
wrote...
6 years ago
Answer to q. 1

d

Answer to q. 2

d
Carlina864 Author
wrote...
6 years ago
Such an awesome helper!
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