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Articles related to "Land Vertebrate"


Both in their ontogeny (biological development of an individual) and phylogeny (evolutionary history of a group) amphibians reveal their watery origins.
history of amphibians · origins of amphibians · amphibians were the first tetrapods to inhabit the land · amphibians were the first land vertebrates · lobed-fin fishes began to evolve limbs 400 million years ago
Paleontologists have identified several mass extinctions through geologic time. Understanding these major events may provide insight into today's biodiversity crisis.
mass extinctions · big five · paleontological database · john alroy · national center for ecological analysis and synthesis
Amphibians are fishes out of water leading what amounts to a double existence. This duality is acknowledged even in their scientific name - Gr. amphi, dual + bios, life.
amphibians · characteritics of amphibians · class amphibia · amphibians are not true land animals · amphibian eggs are laid in water or where it is very moist


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