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Description
A close examination of the Hydra kicks off this program, which yields a remarkable series of observations regarding the freshwater cnidarian's habitat, structure, feeding, nematocyst discharge, locomotion, and sexual and asexual reproductive strategies. The genus Obelia illustrates the 2-stage life cycle found in many cnidarians. Rounding out the investigation of the phylum Cnidaria is the examination of jellyfish (class Scyphozoa), sea anemones, and corals (class Anthozoa). Close-captioned.
A close examination of the Hydra kicks off this program, which yields a remarkable series of observations regarding the freshwater cnidarian's habitat, structure, feeding, nematocyst discharge, locomotion (by looping), and sexual and asexual reproductive strategies.
The genus Obelia illustrates the 2-stage life cycle found in many cnidarians. Rounding out the investigation of the phylum Cnidaria is the examination of jellyfish (class Scyphozoa), sea anemones, and corals (class Anthozoa). The DVD includes an illustrated PDF teaching guide. Close-captioned. 2007.
The genus Obelia illustrates the 2-stage life cycle found in many cnidarians. Rounding out the investigation of the phylum Cnidaria is the examination of jellyfish (class Scyphozoa), sea anemones, and corals (class Anthozoa). The DVD includes an illustrated PDF teaching guide. Close-captioned. 2007.
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