1. Science
Chapter 2.4
Reptiles
Fourth Grade
Lenkerville Elem.

2. Amphibian A cold-blooded vertebrate that
lives part of its life in water and part on land.

3. Organs through which animals get oxygen from air
Lungs
Organs through which animals get oxygen from air

4. The changes in form that occur form egg to adult.
Metamorphosis
The changes in form that occur form egg to adult.

5. Fishlike animals that hatch from eggs
Tadpole
Fishlike animals that hatch from eggs

6. Body temperature changes with the outside temperatures
Traits of Amphibians 1
Cold Blooded
Body temperature changes with the outside temperatures

7. Traits of Amphibians 2
Vertebrate
Has A
Backbone

8. Traits of Amphibians 3
Lay eggs in water

9. Thin moist skin no scales
Traits of Amphibians 4
Thin moist skin no scales

10. Traits of Amphibians 5
Two Pairs of Legs

11. Born with gills Developes Lungs
Traits of Amphibians 6
Born with gills
Developes
Lungs

12. Spend part of life in water
Traits of Amphibians 7
Spend part of life in water

13. Life Cycle of Amphibians

14. The Life Cycle Of Amphibians Metamorphosis1
Female lays eggs and male fertilizes them in water.

15. They have gills Tail No legs Live in water Eat Plants
The Life Cycle Of Amphibians Metamorphosis 2
Tadpoles hatch
They have gills
Tail
No legs
Live in water
Eat Plants

16. Lungs develop Grow back legs, then front legs
The Life Cycle Of Amphibians Metamorphosis 3
Tadpoles
Lungs develop
Grow back legs, then front legs
Will lose tail

17. Lives on land near the water and eats insects
The Life Cycle Of Amphibians Metamorphosis 4
Full Grown Frog
Lives on land near the water and eats insects

18. Red-eyed tree frog

21. Eastern Tiger Salamander covers a wide range of areas extending from coast to coast across the United States and into Canada
Salamanders
The Arizona Tiger Salamander is found throughout western Colorado and New Mexico, southeast to northwestern Arizona, and much of Utah

22. Newt
The Red-Spotted Newt, Notophthalmus viridescens viridescens, is a medium sized newt reaching lengths of nearly 5 inches. Their life history is different from that of other amphibians. Both the larval and adult stages are aquatic. It is in the juvenile stage when they are found on land. This is known as the eft stage.

23. The eft stage may last anywhere from 1-7 years
The eft stage may last anywhere from 1-7 years. The eft is usually only about 3 inches in length. The photo shown here is the eft stage. Sometimes the eft stage is skipped completely and they go directly from the larval to the adult stage.

24. Mud Puppy Lives almost entire life under water
Bushy gills outside its body

29. Fowler’s
Toad

30. Chubby
Frog

31. Sedge
Frog

32. Argentine Horned Frog

33. Couch Spade Foot Toad

34. Mud Puppy

35. California Slender