a. an earthworm
Neither. A sea sponge uses diffusion for getting its nutrients.
a horse has the same digestive system as a rabbit
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Well a Gecko does not actually have a digestive system, it is the only known animal to carry out photosynthesis.
When a part of our digestive system is blocked a person or an animal could eventually die.
The answer would be the digestive system.
Mouth ,lungs ,and stomach
Each animal species has its own digestive system suited for its own needs, diet, and enviroment. Adaptation and evolution has changed the animals digestive system for its own benifit.
answ2. Everyone and every animal above the most primitive, has a digestive system, otherwise they would not be able to obtain nutrition.
not for long because an animal neds the digestive system to provide essential amino acids and essential vitamins and minearals which said animal could not live without
It wouldn't be able to move!
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