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Biological Evolution: Unity and Diversity: Vertebrates and Invertebrates
Invertebrate Diversity
Description
Invertebrate Diversity
Invertebrates are animals without a backbone, and they make up more than 95% of all animal species on Earth. These animals are incredibly diverse and include groups such as Porifera, Cnidaria, Platyhelminthes, Nematoda, Mollusca, Annelida, Arthropoda, and ...
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Transcript
Invertebrates live almost everywhere, from lush rainforests and deep oceans to the icy Antarctic.
They are animals without a backbone, and make up over 95% of the animal kingdom.
Scientists divide invertebrates into major groups, each with unique features.
To begin with, Porifera, like Sycon, have porous bodies that filter wate...
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