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A PowerPoint on Aminals.

A PowerPoint on Aminals. By the Awesome O ne. Five types of vertebrae: Birds. 1. Birds are endothermic vertebrates. 2. Their skin is covered with feathers. 3. They have four-chambered hearts. 4. Their bones are lightweight and usually hollow. 5. Their forelimbs are modified as wings.

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A PowerPoint on Aminals.

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  1. A PowerPoint on Aminals. By the Awesome One.

  2. Five types of vertebrae: Birds 1. Birds are endothermic vertebrates. 2. Their skin is covered with feathers. 3. They have four-chambered hearts. 4. Their bones are lightweight and usually hollow. 5. Their forelimbs are modified as wings. 6. They lay eggs.

  3. Amphibians 1. Amphibians are ectothermic vertebrates. 2. Their skin lacks scales, hair, and feathers, and is either smooth (like a frog) or rough (like a toad). They are dependent upon moisture and subject to desiccation; their skin must remain moist to aid in breathing. 3. They lay eggs in water, which hatch into an intermediate life form (tadpole or larva) that usually breathes with gills, and change into the adult form that breathes air and can live outside water. 4. They have three-chambered hearts. 5. They lack claws on their toes.

  4. Reptiles 1. Reptiles are ectothermic vertebrates. 2. Their skin has scales, but no hair or feathers. 3. They have three-chambered hearts (except for alligators and crocodiles, which have four-chambered hearts). 4. They have claws on their toes (except those which do not have legs, such as legless lizards). 5. They are the first animals, in evolution, to develop the amniotic egg. This allows reptiles to lay eggs on land

  5. Mammals 1. Mammals are endothermic vertebrates. 2. They have hair, which varies greatly among species. 3. Most have sudoriferus (sweat) glands. 4. They have mammary (milk-secreting) glands. 5. They have sebaceous (fat-secreting) glands. 6. They have heterodont dentition (different types of teeth).

  6. Reptiles 1. Reptiles are ectothermic vertebrates. 2. Their skin has scales, but no hair or feathers. 3. They have three-chambered hearts (except for alligators and crocodiles, which have four-chambered hearts). 4. They have claws on their toes (except those which do not have legs, such as legless lizards). 5. They are the first animals, in evolution, to develop the amniotic egg. This allows reptiles to lay eggs on land.

  7. Reintroduction Fishers, bobcats, and elk. Fishers got out of PA because Pennsylvania�s fisher reintroduction got started back in 1994, when 22 fishers were released on the Sproul State Forest in Centre and Clinton counties. Overall, 190 fishers were released in Pennsylvania as part of a reintroduction partnered by the Pennsylvania Game Commission, Frostburg State University and Pennsylvania State University. The recovery effort followed about eight decades of fisher-less forests in Penn�s Woods. The furbearers, one of the largest members of the weasel family, disappeared in the state in the late 1800s and early 1900s as a result of deforestation and unregulated trapping.

  8. Ectothermic and Endothermic Also, endothermic. designating or pertaining to animals, as mammals and birds, whose blood ranges in temperatures from about 98° to 112°F (37° to 44°C) and remains relatively constant, irrespective of the temperature of the surrounding medium; homoiothermal. 1. designating or pertaining to animals, as fishes and reptiles, whose blood temperature ranges from the freezing point upward, in accordance with the temperature of the surrounding medium; poikilothermal.

  9. HIbernation Hibernation is: to spend the winter in close quarters in a dormant condition, as bears and certain other animals. Compare estivate. Animals in PA that hibernate: Bears, woodchucks, chipmunks, bats, bees, various reptiles & amphibians.

  10. Animal Tracks Raccoon weasel Bear squirrel

  11. Continued Coyote bobcat opossum Rabbit turkey

  12. Birds Chickadee Bluebird Turkey Robin Pa Woodpeckers Goldfinch

  13. More Sharp Shinned Hawk Cooper’s Hawk Red-Tailed Hawk

  14. Bird Calls Tufted Titmouse Mourning Dove Red-Tailed Hawk http://macaulaylibrary.org/audio/22930http://macaulaylibrary.org/audio/4177http://macaulaylibrary.org/audio/94271 Great Horned Owl http://macaulaylibrary.org/audio/8360 Red-Winged Blackbird Towhee Pileated Woodpecker http://macaulaylibrary.org/audio/22990http://macaulaylibrary.org/audio/159http://macaulaylibrary.org/audio/119461 White-Breasted Nuthatch http://macaulaylibrary.org/audio/120214 Song Sparrow http://macaulaylibrary.org/audio/16791

  15. Pelts and Skulls Muskrat Groundhog Bobcat Red Fox Mink Beaver River Otter Gray Squirrel Bear Deer Elk Raccoon Fisher Opossum

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