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The top documents tagged [hard crabs]
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hard crabs
Arthropods. Phylum Arthropoda - Arthropods Largest and most successful phylum 75% of all animals! Segmented body Tough exoskeleton Joint appendages.
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Unit 4. Arthropods have a segmented body, a tough exoskeleton and jointed appendages. Exoskeleton: made from protein and chitin; great variation.
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Chapter 28 Arthropods and Echinoderms. Phylum Arthropoda - Arthropods Largest and most successful phylum 75% of all animals! Segmented body Tough.
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Arthropods
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