Sponges and Coelenterates: Porous and Sac-Like Animals
Studies the life cycles of sponges and coelenterates, the simplest multicellular animals. Describes the cell specialization, sexual and asexual reproduction and other characteristics of sponges, jellyfish, sea anemones, corals and hydras.
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Sponges and Coelenterates: Porous and Sac-Like Animals 1962
sponge
sea animals
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