1 / 11

Reptiles and Birds

Reptiles and Birds. REPTILE FACTS. first to adapt completely to land. REPTILE FACTS. scaly skin legs lower (not at 90 o angles) claws ectotherms. REPTILE FACTS. most have three- chambered hearts some have four-chambered hearts which allow for more energy (O 2 blood separate).

giuseppe-bishop
Download Presentation

Reptiles and Birds

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Reptiles and Birds

  2. REPTILE FACTS • first to adapt completely to land

  3. REPTILE FACTS • scaly skin • legs lower (not at 90o angles) • claws • ectotherms

  4. REPTILE FACTS • most have three- chambered hearts • some have four-chambered hearts which allow for more energy (O2 blood separate)

  5. REPTILE FACTS amniotic egg eliminates need to reproduce in H2O

  6. REPTILE FACTS • turtles have shells • crocodiles & alligators are the largest • snakes & lizards live almost everywhere • Rhynchocephalia—primitive reptilesOnly the tuatara still exists

  7. AVIAN FACTS • “Avian” means “bird” • Only birds have feathers • Evolved from therapods (feathered dinosaurs) • Archaepteryx (1st bird?)

  8. AVIAN FACTS • Have wings & large sternum for flight

  9. AVIAN FACTS • 4-chambered heart • Fast heart rate (1000+ beats/min) • Special respiratory system

  10. AVIAN FACTS • Endotherms • Internal reproduction • Amniotic egg with hard shell • Diversity of species

More Related