1. Similarities between reptiles and amphibians A. Physical characteristics/appearance: both animals are vertebrates, and both animals shed their skin. B. Predator and prey: reptiles and amphibians are both predators and prey; both animals use their tongues to catch prey. C. Ectotherms: both animals are ectothermic, or cold-blooded: they cannot regulate their own body temperatures internally like mammals can. 2. Differences between reptiles and amphibians A. Eggs: amphibians lay their eggs in water, whereas reptiles lay their eggs on land. B. Skin: amphibians have delicate, thin, semi-permeable skin, and they must live close to water or in very humid habitats; reptiles have dry, scaly skin that enables them to live away from water. C. Metamorphosis: amphibians go through a metamorphosis from a tadpole or larval stage with gills to an air-breathing adult stage. Reptiles do not go through metamorphosis. When the young are born or hatched, they look like miniature adults. Use the outline above to write a five- or six-sentence introduction. Be sure to include a hook in the introduction.
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