This preview shows page 1. Sign up to view the full content.
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
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...
View Full Document