Sharks, skates, and rays are also called ______ fishes.
Jawless
Bony
Cartilaginous
Freshwater
Additional Questions
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In planarians water enters the body by ______. |
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A phenomenon when parasite parasitizes themselves is known as |
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Air bladder is present in |
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All flat worms differ from all round worms in having |
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Which one of the following is the true description about an animal concerned? |
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Phylum mollusca can be distinguished from other invertebrates by the presence of |
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Order Rhynchocephalia consists of |
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When tail is cylindrical and ventral scales do not extend the entire width of belly the snake is |
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Cnidarians having cells called cnidocytes, contain organelles known as ______. |
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The metamorphosis of insects appears to be regulated through |
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