Which of the following phyla are schizocoela? |
|
a) |
Annelida, Platyhelminthes and Mollusca |
b) |
Annelida, Arthropoda and Mollusca |
c) |
Platyhelminthes, Aschelminthes and Annelida |
d) |
Aschelminthes, Annelida and Mollusca |
Which of the following phyla are schizocoela? |
|
a) |
Annelida, Platyhelminthes and Mollusca |
b) |
Annelida, Arthropoda and Mollusca |
c) |
Platyhelminthes, Aschelminthes and Annelida |
d) |
Aschelminthes, Annelida and Mollusca |
(b)
When the coelom arises as a result of a split in the mesoderm sheet, it is called schizocoel. In enterocoel, the coelom arises as an outgrowth of the enteron. The pouches pinch off and enlarge until they squeeze out off the blastocoel.
Schizocoel is seen in Annelida, Arthropoda, Mollusca and Chordates. Echinodermata are entercoelomates
Columella auris is found in |
|||||||
a) |
Rabbit |
b) |
Frog |
c) |
Man |
d) |
All of these |
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