chapter 33
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| sponges pinacocyte cells are... | flattened cells lining the exterior of sponge
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| sponges choanocyte cells are..... | flagellated cells with a collar
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| sponges amebocytes cells.... | move through the mesophyl
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| sponges amebocytes transport _____, act as ____ cells and produce skeleton | food
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| The flexible fibers in sponges are called | spongin
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| sponges are _______ so they produce both egg and sperm | hemaphroditic
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| sponges produce no _____ tissues | embryonic
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| a gastrovascular cavity is the ____ sack in cnidarians | interior
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| what are the two stages of cnidaria | medusa and polyp
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| the synapomorphy of cnidaria is that they produce cells called ____ | cnidocytes
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| sea anenomes are is what stage | medusa
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| coral form a mutualistic relationship with ____ | algae
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| cephalopods have what kind of circulatory system | closed
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| Phylum annelida ha worms with ______ | segmentation
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| earth worms have a____ circulatory system | closed
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| what is ecdysozoa animals that _____ their ______ shell | shed, outer
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| arthopods have a head,____ and _____ | abdomen,thorax
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| Arthropods are covered by an exoskelton made of _____ | chitin
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