Animals without backbones are called invertebrates. They range from well known animals such as jellyfish, corals, slugs, snails, mussels, octopuses, crabs, shrimps, spiders, butterflies and beetles to much less well known animals such as flatworms, tapeworms, siphunculids, sea-mats and ticks.
Echinoderms are animals with spiny skin such as sea urchins, sea stars, and sand dollars. • Snails, clams, oysters, and mussels are examples of mollusks. A ... |
Some are very beautiful and highly colorful like the starfish and sea slugs, others are unattractive parasites that live in the bodies of other animals. |
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Invertebrates is an umbrella term describing animals that neither develop nor retain a vertebral column (commonly known as a spine or backbone) Category:Invertebrates · Pseudobiceros hancockanus · Invertebrate zoology |
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