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Fast Shipping! Orders placed Monday to Thursday are shipped within 24 hours. Orders placed on Friday may ship on Monday. Shipping method depends on the type & number of items ordered. Does not apply to framed posters. Read more...
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About Us: Online since 1997, with many thousands of satisfied customers, 123Posters is the safe, reliable place to shop for posters, prints, and framed art. We are located in Northern California. We offer everyday low prices without gimmicks, a full no-quibble money back guarantee, & top notch service. Family friendly web site, too. Read more...
Amphibians and Reptiles
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Amphibians and reptiles are often confused, so they are treated together. "Amphibian" comes from the Greek amphi, meaning "both," and bios, meaning "life." It has two meanings. First, the animals physically change. Reproduction is accomplished through external fertilization. The female spawns her eggs in water where they are fertilized by the male. After hatching, most amphibians undergo a dramatic change known as metamorphosis. They slowly change from fish-like, water-dwelling animals to ones better suited for life on land. Fins and gills become legs and lungs. The most well-known example is the change from tadpole to frog. Second, the term also refers to these animals first living in the water and later on land. Reptiles reproduce by sexual intercourse and internal fertilization, just like mammals. Amniotic eggs develop within the mother's abdomen. Once they are sufficiently developed, the mother lays them and they hatch. However some reptiles give birth to live young.
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