12 3 Amphibians

Amphibian Camoflauge ,[object Object],Hiding from predators Catching food!

What is an Amphibian? ,[object Object],salamanders frogs toads

What is an Amphibian? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],double-life water land

What is an amphibian? ,[object Object],[object Object],salamanders = internal fertilization frogs & toads = external fertilization

What is an amphibian? ,[object Object],salamanders Frogs and Toads ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Internal adults yes External tadpoles no

Living on Land ,[object Object],Legs Lungs

Living on Land ,[object Object],[object Object]

Adult Amphibian Heart Atria Atria O 2 in blood Not much O 2 Mixing of blood ventricle to lungs to body

Living on Land ,[object Object],[object Object],[object Object],[object Object],[object Object]

Amphibians are in Danger ,[object Object],[object Object],They live in land and water eggs don’t have shells They have thin skin Destruction of habitat (swamps, forests) Pesticides and poisions in their water or air

12 3 Amphibians

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12 3 Amphibians