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Bird lice are common, and lice are also found on dogs, cats, horses, cattle, and other mammals. The adhesive hardens quickly, entangling prey (or would-be predators) for subsequent leisurely dining. On the basis of this distinction, von Siebold, in 1845, restricted the name Protozoa to apply to all unicellular forms of animal life. Brittle stars and basket stars reproduce sexually, by releasing eggs and sperm into the water, or asexually, through division and regeneration.
Pages: 32
Publisher: Franklin Watts Ltd (June 26, 2008)
ISBN: 0749680113
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