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Choose the correct option with regards to Chondrichthyes |
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a) |
Presence of swim bladders that help them to maintain bouyancy |
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b) |
These are usually ammoniotelic animals |
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c) |
Statement (b) is true, but (a) is false |
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d) |
Both statements (a) and (b) are false |
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Choose the correct option with regards to Chondrichthyes |
|
|
a) |
Presence of swim bladders that help them to maintain bouyancy |
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b) |
These are usually ammoniotelic animals |
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c) |
Statement (b) is true, but (a) is false |
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d) |
Both statements (a) and (b) are false |
(d)
Chondrichthyes lacks swim bladders, that help them to maintain bouyancy hence must swim constantly to avoid sinking. Chondrichthyes are ureotelic animals. Both statements (a) and (b) are false for Chondrichthyes