Amphibians and Reptiles Chapter 18 Section 2 6 th Grade Chapter 18 Section 2 6 th Grade.

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  • Slide 1
  • Amphibians and Reptiles Chapter 18 Section 2 6 th Grade Chapter 18 Section 2 6 th Grade
  • Slide 2
  • Do Now If fish were to live on land, what adaptations would they need to survive?
  • Slide 3
  • Do Now Complete another mealworm observation. Work on lab questions and draw a picture if possible.
  • Slide 4
  • Objectives Students will Describe how amphibians have adapted to live in water and on land Identify the adaptations that allow reptiles to live on land Students will Describe how amphibians have adapted to live in water and on land Identify the adaptations that allow reptiles to live on land
  • Slide 5
  • Amphibians Definition: animals that spend part of their lives in water and part on land Origin of the word amphibian- from the Greek word amphibious which means double life Examples: Frogs, Toads, Salamanders Definition: animals that spend part of their lives in water and part on land Origin of the word amphibian- from the Greek word amphibious which means double life Examples: Frogs, Toads, Salamanders
  • Slide 6
  • Amphibian Adaptations (ectotherms) Hibernation Cold climates Period of inactivity Bury themselves in mud or leaves Hibernation Cold climates Period of inactivity Bury themselves in mud or leaves Estivation Hot, dry climates Period of inactivity Burrow underground
  • Slide 7
  • Amphibian Characteristics Have endoskeletons Young have gills, adults have lungs Have 3 chambered hearts Adults exchange oxygen and carbon dioxide through skin Have ear drums Have endoskeletons Young have gills, adults have lungs Have 3 chambered hearts Adults exchange oxygen and carbon dioxide through skin Have ear drums
  • Slide 8
  • Reptiles---Unique Characteristics pg. 538 Turtles Crocodiles and Alligators LizardsSnakes Reptiles
  • Slide 9
  • Reptile Adaptations pg. 539 CharacteristicPurpose Skin Neck Lungs Internal Fertilization Amniotic eggs
  • Slide 10
  • Videos Reptiles and Amphibians part 1 Reptiles and Amphibians part 1 Reptiles and Amphibians part 2 Reptiles and Amphibians part 2 Reptiles and Amphibians part 3 Reptiles and Amphibians part 3 Reptiles and Amphibians part 4 Reptiles and Amphibians part 4 Reptiles and Amphibians part 1 Reptiles and Amphibians part 1 Reptiles and Amphibians part 2 Reptiles and Amphibians part 2 Reptiles and Amphibians part 3 Reptiles and Amphibians part 3 Reptiles and Amphibians part 4 Reptiles and Amphibians part 4
  • Slide 11
  • For Next Time Read pgs. 535-539
  • Slide 12
  • Frog Metamorphosis and Reptiles and Amphibian Review Chapter 18 Section 2 6 th Grade Chapter 18 Section 2 6 th Grade
  • Slide 13
  • Do Now What is the difference between hibernation and estivation?
  • Slide 14
  • Objectives Students will Create a foldable to learn model the metamorphosis of an amphibian Students will Create a foldable to learn model the metamorphosis of an amphibian
  • Slide 15
  • Amphibian Metamorphosis (Frogs)(Frogs)Amphibian Metamorphosis (Frogs)(Frogs) Create a foldable according to teacher instructions 1) Eggs- are laid by adult amphibian in the water 2) Young Larva-are dependent on water. They have no legs and breathe through gills. 3)Older Larva- body structures are developed that are necessary for life on land including legs and lungs. 4) Adult- have lungs, legs, breathe through skin and can reproduce. They require water for external reproduction. Create a foldable according to teacher instructions 1) Eggs- are laid by adult amphibian in the water 2) Young Larva-are dependent on water. They have no legs and breathe through gills. 3)Older Larva- body structures are developed that are necessary for life on land including legs and lungs. 4) Adult- have lungs, legs, breathe through skin and can reproduce. They require water for external reproduction.
  • Slide 16
  • Practice Worksheet With your lab groupcomplete Reinforcement worksheet on Amphibians and Reptiles
  • Slide 17
  • For Next Time Read pgs. 541-544 Define contour feather and down feather on index cards. Read pgs. 541-544 Define contour feather and down feather on index cards.

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