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Author Question: While sampling marine plankton in a lab, a student encounters large numbers of f (Read 871 times)

Charlie

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on: Aug 5, 2013
While sampling marine plankton in a lab, a student encounters large numbers of fertilized eggs. The student rears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. The embryo develops into a trochophore larva and eventually has a true coelom. These eggs probably belonged to a(n)
A) chordate.
B) echinoderm.
C) mollusc.
D) nematode.
E) arthropod.


camila

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Reply #1 on: Aug 8, 2013
Answer has to be C, trust me!


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Charlie

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Reply #2 on: Oct 18, 2013
Wonderful, you were right, thank you so much.


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