Discuss the major cell and tissue types found in the typical animal body./ This discussion question is a general review of the kinds of cells and tissues in the body of an animal. If you look at the first animals to appear in the fossil record, sponges, you would just have to talk about different cells since sponges have no tissues. Sponges are generally referred to as Parazoa since they have no tissues. Once you get to the Cnidarians (jellyfish) you have tissues.
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