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Forum: Invertebrates & Critters

Marine invertebrates are the invertebrates that live in marine habitats. Invertebrate is a blanket term that includes all animals apart from the vertebrate members of the chordate phylum. Invertebrates lack a vertebral column, and some have evolved a shell or a hard exoskeleton.

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  1. There are approximately 1100 species of the Hermit crab that we know about, Most species have long, spirally curved abdomens, which are soft, unlike the hard, calcified abdomens seen in related crustaceans. The vulnerable abdomen is protected from predators by a salvaged empty seashell carried by the hermit crab

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  1. sea squirt loosing its stomach

    Started by lost, 17-05-2017 08:14 PM
    • Replies: 1
    • Views: 1,114
    17-05-2017, 08:35 PM Go to last post

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