类别 全部 - characteristics - digestion - amphibians - reproduction

作者:iris mora 7 年以前

763

amphibians

Amphibians are a diverse group of terrestrial vertebrates that require proximity to water or damp environments for survival. They include aurans, such as frogs and toads, which have short bodies without tails, and urodeles, like newts and salamanders, which possess four legs of equal length.

amphibians

amphibians

nutrition

Feeding=they have a tongue to help them to catch their food

excretion

they eliminate through
excretory organs

the kidneys

digestion

THE FOOD IS GROUND UP THROUGH MECHANICAL PROCESSES ;IN ADDITION, THE MOLECULES IN NUTRIENS ARE BROKEN DOWN THROUGH CHEMICAL PROCESSES.

types of amphibians

Amphibians are terrestrial vertebrates that need to live near water or in very damp envirorments.
urodeles=newts and salamanders

4 legs with the same lenght

Aurans=Frogs and toads

-short body without a tail

reproduction

They reproduce sexually,this means that within the species some are male and others female.

main characteristics

-Very thin skin without scales
-Most of them have 4 legs

they are echotermic(that cant live in very cold places)

adult amphibians breathe through lungs and gills

what are they like?

They are eukaryotic,heterotrophic,mullticellular organisms that have organs and systems to carry out their vital functions.They also have the ability to move.They are oviparous so they lay eggs outside the body