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No, not every animal needs a brain. A jellyfish does not have a brain, it barely has any organs.
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∙ 12y ago
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Does a earthworm require oxygen?
Yes. All animals require oxygen.
Do all animals have a brain the same size?
No.
What happens if you eat an animals brain?
Nothing at all
What component of air do animals require?
All animals need oxygen to live.
Why do rabbits require water?
All living things require water. Humans require it and so do animals.
Do fish and whales have a brain?
the real question here is do you have a brain... anything that lives has a brain.
Does a bobcat sleep?
Yes , all animals require sleep.
Are there any animals that do not have a brain?
no animals have a brain even dinosaurs do
What do all animals with a backbone have in common?
I don't know but it's not a brain.
What do all large land animals have in their body?
brain and heart
Do deer have instinct?
Yes - all animals that are born with a brain - are also born with natural instinct embedded in their brain.
Do animals have a cerebum?
yes all animals have cerebum including humans. There are three parts of the brain and cerebum is one part of it. Plants are not like animals or like us humans therefore they do don't have a brain.
