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K rattlesnake tetrapods tetrapods snakeshave

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Unformatted text preview: detect even though they can be highly abundant Timber Rattlesnake Eastern Diamondback Rattlesnake Tetrapods Tetrapods Snakes have evolutionarily lost their legs Humans evolved from one of the same ancestors of extant reptiles Non­Tetrapod Vertebrates Frogs Salamanders Caecilians Reptiles Birds Mammals Eastern Diamondback Adapted from the WhoZoo Amphibians and Reptiles Amphibians and Reptiles Very important to the ecosystem Prey and Predator Prey item for animals including raccoons, opossums, and birds Prey upon insects, mice, and rats Bio­indicator Green Salamander An animal that can indicate the health of an environment by its population structure and abundance Ringneck Snake Spring Salamander Eastern Spadefood Toad Green Anole Amphibians Amphibians 27 species of frogs and toads, 56 salamanders in VA High salamander diversity Huge Biomass Spotted Salamander Biomass: Total weight of all amphibians in an area One isolated wetland produced 3 tons of amphibians Southern Leopard Frog Three­Lined Salamander Amphibian Characteristics Amphibian Characteristics Permeable skin Good olfaction Permeable: Allows the transfer of oxygen and carbon dioxide to allow respiration Can allow the uptake of chemicals in the environment Green Frog Olfaction: Sense of smell Prey upon: Insects, other amphibians, anything small enough to...
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This document was uploaded on 02/23/2014 for the course CHEM 107 at VCU.

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