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4. Amphibians - Coggle Diagram
4. Amphibians
General characteristics:
Adults are
terrestrial
vertebrates.
Carnivores
Always live in wet places.
Characteristics of amphibian bodies:
Four limbs or legs
:
Aquatic ones usually have webbed feet (toes connected by interdigital membranes). The anterior ones with 4 fingers and on the posteriors legs 5 fingers.
Poikilothermic
:
Body temperature varies depending on the temperature of their environment.
Many amphibians
hibernate
underground, under rocks or inside tree trunks during winter.
Skin with no covering
:
Mucus keep skin moist and viscous.
Many species have poison glands for protection against predators.
Glands in the skin produce mucus.
Begin life in water.
Amphibians without tails
Short body.
Hind legs (patas traseras) are more developed than the front legs.
Frogs and toads.
Amphibians with tails
Long, thinner body.
Four short legs of equal length.
Salamanders and newts.
