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Exam 2 Bio 2
chapter 33
Question | Answer |
---|---|
sponges pinacocyte cells are... | flattened cells lining the exterior of sponge |
sponges choanocyte cells are..... | flagellated cells with a collar |
sponges amebocytes cells.... | move through the mesophyl |
sponges amebocytes transport _____, act as ____ cells and produce skeleton | food |
The flexible fibers in sponges are called | spongin |
sponges are _______ so they produce both egg and sperm | hemaphroditic |
sponges produce no _____ tissues | embryonic |
a gastrovascular cavity is the ____ sack in cnidarians | interior |
what are the two stages of cnidaria | medusa and polyp |
the synapomorphy of cnidaria is that they produce cells called ____ | cnidocytes |
sea anenomes are is what stage | medusa |
coral form a mutualistic relationship with ____ | algae |
cephalopods have what kind of circulatory system | closed |
Phylum annelida ha worms with ______ | segmentation |
earth worms have a____ circulatory system | closed |
what is ecdysozoa animals that _____ their ______ shell | shed, outer |
arthopods have a head,____ and _____ | abdomen,thorax |
Arthropods are covered by an exoskelton made of _____ | chitin |