amphibians
DIGESTION
THE UNUSABLE PART OF THE BODY .
THE FOOD IS GROUND UP THROUGH MECHANICAL PROCESSES ;IN ADDITION, THE MOLECULES IN NUTRIENS ARE BROKEN DOWN THROUGH CHEMICAL PROCESSES.
VERTEBRATES
THEY HAVE A VERTEBRAL COLUMN AND A INTERNAL SKELETON MADE OF BONE OR CARTILAGE
VITAL FUNCTIONS
THE REPRODUCTION FUNCTION
THEY ARE UNIXESUAL WHICH MEANS THAT SOME OF THEIR ONE MALE AND FEMALE.
THE NUTRIENTS ARE ABSORBED AND TRANSPORTED TO THE CELLS.
THE INTERACTION FUNCTION
MOST ANIMALS CAN MOVE , AND TO DO SO THEY HAVE WELL DEVELOPED ORGANS OF LOCOMOTION AND MUSCLE SYSTEM.
THE NUTRITION FUNCTION
ANIMALS ARE HETEROTROPHIC ORGANISM
CHARACTERISTICS
BILATERAL SYMETRY
THEY HAVE ORGANS AND SYSYTEMS TO CARRY THEIR VITAL FUNCTIONS
THEY ARE MULTICELLULAR
THEY ARE EUKARYOTIC
