Biodiversity of Animals - Invertebrates

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In this live Grade 11 Life Sciences show we take a close look at Biodiversity of Invertebrates. In this lesson we look at the body plans of invertebrates with respects to - symmetry, cephalisation, tissue layers, openings in gut, coelom & the blood system. We also look at the body plans of the phyla - porifera, cnidaria, platyhelminthes, annelida & arthropoda.
Revision Video