Biology







What are Chitons

Ah the Amphineura. What are they and does anybody care? I do, because I like primitive forms and the 8 plated chitons are the second most primitive members of a pretty important invertebrate phylum, the Mollusca. Only the mysterious solenogasters,…
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Great White Shark Feeding Habits

Great white sharks (Carcharodon carcharias) have gotten a bad reputation for attacking humans. Contrary to myth and misinformation, great white sharks do not desire human beings as prey. To unravel the mystery behind how great white sharks capture their prey,…
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What are Gastropods

The gastropods are animals like snails and slugs, limpets and whelks, abalone and cone shells. They form the largest class in the Phylum Mollusca. Gastropod means stomach-foot and all the members of this class are possessed of this strange characteristic:…
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What are Amphipods

Amphipods are an interesting and important group of crustaceans, with about 8000 species known world-wide. They are predominantly marine but there are some fresh water species and even a few terrestrial forms, known as beach fleas. These are the only…
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Evolution: Origin of sharks

The shark, notorious ruler of the sea, began its reign nearly 400 million years ago when its evolutionary lineage separated from that of its ancestor, the prehistoric bony fish. Today, more than 300 species of sharks still inhabit the oceans,…
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What are Cephalopods

If brains are the crown of creation then the crown of the Mollusc Phylum goes to the Cephalopods. They can’t match human intelligence, but for invertebrates, an octopus is about as clever as it gets. There are about 700 known…
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