Across the animal kingdom, body plans vary wildly: some lineages rely on internal skeletons made of bone or cartilage, others on external skeletons, and many have evolved hard coverings for defense, support, and movement. One of the most successful of these adaptations is the shell—a tough structur...
Shellfish refers to a class of animals in the phylum Mollusca, including oysters, mussels, clams, squid, snails, etc. But do you know which are the most beautiful shellfish in the world? Let me introduce the ten most beautiful shellfish in the world: snail, nautilus, snail, tango snail, Venus...
Marine animals-Sea cucumber 1) When a sea cucumber encounters a hostile attack and cannot escape, it can use the method of splitting to escape, and its internal organs are quickly thrown out of the anus. When natural enemies see the brightly colored delicacy, they will po...
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