Since they can't think about anything, they just follow their insinct.
Short answer: jellyfish or various small insects. If you want a deeper answer, it depends on what you call a brain because a jellyfish has a nerve cluster which is technically a giant brain and the insects without brains have what we call: ganglia it is basically a brain just with no ability to think abstractly; it just controls basic functions and instincts.
Invertebrates
non cordata
yuh call the brain the brain cuz its the brain best answer...
The starfish is the world's most brainless animal. It is literally without a brain and responds to its environment through nervous impulses running through its body. A lizard known as the horn toad is another example of an animal that has no functioning brain.
A cat is an animal.
You can call a professional wildlife removal service or an exterminator to help safely remove the animal from your wall. They have the expertise and tools to handle the situation without causing harm to the animal or damage to your property.
An animal that reproduces itself is called asexual. This means it can produce offspring without the need for a mate.
a person can not function without a brain so no a person would not be able the talk without a brain the brain is connected to the spinal core with is almost connected to all of the bones in the whole human and animal body the brain in something that you need if something happens to your brain you could die that's why every one wears a helmet when biking and roller blading and other sports that could be dangerous so i would say no a person can not live or talk without a brain.ANS2:Many politicians do.
The Animal with the largest brain is the Sperm Whale (Cachalot) (Physeter Macrocephalus)
No! Michael Jackson did not get buried without his brain. Sometimes when people die, the doctor needs to know why or how a person died, so they take what they call a tissue sample of a person to find out why or how they died.
i dont even think an animal moves without a head if it was it was probally called "headless" lol! :)