today’s reptiles section 34.2. lizards iguanas, chameleons, geckos, anoles, horned lizards some...

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Today’s Reptiles SECTION 34.2

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Page 1: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Today’s ReptilesSECTION 34.2

Page 2: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate lost tails – but they do not re-grow the bones

Page 3: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Male Collared Lizard

Page 4: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Iguana

Page 5: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Green Anole – common in Alabama

Page 6: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Snakes Lack moveable eyelids and external ears Skeleton:

◦ No pectoral girdle (shoulders)◦ Jaws have 5 points of movement

Feeding:◦ Constrictors – suffocate prey◦ Venomous: cobras, sea snakes, adders, pit vipers

(rattlers, copperheads, cottonmouths)

Page 7: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Eastern King Snake – an Alabama constrictor

Page 8: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Eastern Rattlesnake

Page 9: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Copperhead snakes

Page 10: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Water moccasin aka cottonmouth

Page 11: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Turtles & Tortoises Turtles – water dwelling; flattened shells Tortoises – land dwelling; dome shaped shells Shell – fused plates of bone covered with scales or leathery skin◦ carapace – dorsal shell; fused to vertebrae◦ plastron – ventral shell

No teeth – some are herbivores; many are carnivores (snapping turtle)

Page 12: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Alabama map turtle

Page 13: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Gopher tortoise – endangered species found in south Alabama

Page 14: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Crocodiles & Alligators All are carnivores Crocodiles – have longer, narrower snouts Alligators – have shorter, broader snouts Mothers protect both the nest with eggs and the young after hatching

Page 15: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate
Page 16: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Tuataras Only 2 species – both live in New Zealand Lizard-like Active at low temperatures

Page 17: Today’s Reptiles SECTION 34.2. Lizards Iguanas, chameleons, geckos, anoles, horned lizards Some are herbivores – most are carnivores Many can regenerate

Tuatara