1 / 12

Reptiles 4 : TURTLES and Extinct Reptiles

Reptiles 4 : TURTLES and Extinct Reptiles. Ms. Bridgeland 5 th Grade. Turtles – “ Testudines ” – have existed for 215 million years. . Turtles. Can live in the ocean , in fresh water , and on land . Turtles that live on land are commonly called “ tortoises ”

orsin
Télécharger la présentation

Reptiles 4 : TURTLES and Extinct Reptiles

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 4: TURTLES and Extinct Reptiles Ms. Bridgeland 5th Grade

  2. Turtles – “Testudines” –have existed for 215 million years.

  3. Turtles • Can live in the ocean, in fresh water, and on land. • Turtles that live on land are commonly called “tortoises” • Turtle = a reptile whose body is covered by a protective shell that includes ribs and a backbone

  4. How can their shells be used? • For protection • SOME turtles (not all) can draw their heads, legs, and tail inside their shells for protection –an example is the box turtle

  5. Upper shell is called a “carapace.”

  6. Lower shell is called a “plastron.”

  7. How do Turtles eat? • They feed in a variety of ways, but: • ALL turtles have a sharp-edged beak instead of teeth • NO TEETH for turtles • Can be herbivores OR carnivores

  8. Carnivores: Leatherbacks eat jellyfish • Herbivores: Galapagos tortoise eats cacti

  9. Can you think of reptiles that have gone extinct?

  10. Dinosaurs • Reptiles that went extinct about 65 million years ago • Some biologists think that certain birds descended from dinosaurs • Unlike today’s ectothermic reptiles, some dinosaurs were endothermic • Dinosaurs were the earliest vertebrates that had legs positioned beneath their bodies instead of out to the side like current reptiles

  11. Some scientists believed that Dinosaurs evolved from BIRDS

  12. Dinosaurs

More Related