What color is the blood of crayfish?
green
blue
red
white
Additional Questions
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Turtles are |
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A true coelom is lined on all sides by |
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______ is not an example of a cnidarian? |
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Which one of the following is NOT a characteristic of phylum Annelida? |
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Polymorphism occurs in animals of the class |
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The clam nervous system is composed of |
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______ are devoid of respiratory, excretory and circulatory organs. |
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Phylum that doesn t have a true coelom is |
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Who wrote the book ‘Systema Naturae’? |
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Which one of the following animals shows discontinuous distribution? |
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