Did You Know?
Some frogs can jump really far!
Life Cycle
Amphibians start as eggs in water.
Skin
Amphibians have soft skin that needs water.
What amphibians Do
They eat bugs and plants.
They help keep nature in balance.
Some can change color to hide.
They can make sounds like croaks.
They can be found in many places.
Some can live a long time.
More About amphibians
Amphibians have been on Earth for a long time. They first came about over 300 million years ago. They are very different from other animals.
Amphibians are important for our world. They help keep bugs away and show us if the air is clean. We need to take care of them.
Some amphibians can live in many places. They can be found in rainforests, ponds, and even in your yard!
How Topics Connect
graph TD
A["Amphibians"]
B["Ectothermic"]
C["Anamniotic"]
D["Four-limbed Vertebrates"]
E["Lissamphibia"]
F["Anura"]
G["Urodela"]
H["Gymnophiona"]
A --> B
A --> C
A --> D
A --> E
E --> F
E --> G
E --> H
What Do These Words Mean?
ectothermic:Cold-blooded; body temperature changes with the environment.
anamniotic:Not having an amnion; eggs do not have a protective membrane.
paraphyletic:A group that includes some but not all descendants from a common ancestor.
monophyletic:A group that includes all descendants from a common ancestor.
semiaquatic:Living partly in water and partly on land.
