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vocabulary words week 4, (Comparing Invertebrates- more complex…
vocabulary words week 4
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Porifera
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Aquatic sponges, Pore Breathing don't have nerve cells or tissues.
Cnidaria
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jellyfish, corals and other things that sting.
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Mollusca- snails, clams and octopus.
containing the muscular foot.
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Comparing Invertebrates- more complex invertebrates. Open circular system. ex- sea urchins, sand dollar and star fish.
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