The great evolutionary split
Skin, lungs, and breathing secrets
From jelly eggs to tough shells
Mastering the extremes
YOUR GOAL
Master of Amphibians and reptiles
sonia Amphibians and Reptiles
Amphibian eggs need the water's embrace, But reptiles' tough eggs, on land find their place!

sonia When weather turns extreme, reptiles and amphibians enter deep states of dormancy to save energy.

sonia Desert reptiles use clever behaviors and specialized bodies to avoid overheating in extreme temperatures.

sonia Match each animal to its extreme habitat to discover how amphibians and reptiles adapt.
Long-term fasting: Some large pythons and anacondas can survive for up to a full year without eating a single meal.
Why can ectothermic reptiles survive much longer without food than mammals of similar size?
What is the summer equivalent of hibernation used by desert amphibians to survive extreme heat and drought?
What unique locomotion style does the sidewinder rattlesnake use to minimize contact with hot desert sand?
How does the African clawed frog protect itself from drying out during hot summer estivation?
Which metabolic strategy involves relying on external heat sources to regulate body temperature?
Which venomous lizard native to the southwestern United States uses venom primarily for defense and hunting?
What is the term for the winter dormancy state that reptiles enter, similar to mammalian hibernation?
