Introduction to Sponges and Cnidarians

The video explores the evolution of multicellular life, focusing on sponges and their classification in the phylum Porifera. It explains how sponges filter water through pores. The video then introduces the phylum Cnidaria, highlighting its more complex organisms like corals, sea anemones, hydra, and jellyfish. Cnidarians possess specialized features such as tentacles and stinging cells called nematocysts, which are used for capturing prey.

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