Quick Answer: Which Animal Does Not Have Brain?

What animal Cannot walk backwards?

emusLike kangaroos, emus are from Australia.

They are flightless birds similar in looks and characteristics to ostriches, though they average about 10 inches shorter in height.

Unlike ostriches, emus cannot walk backwards; however, it’s not known why.

Emus are known for their fast sprinting and long distance running..

Which insect does not have a brain?

Jellyfish Instead of a brain, jellies have what’s known as a neural net – a system of nerve cells interwoven all over the creature’s body.

What animal has 32 brains?

Leeches2. Leeches have 32 brains. A leech’s internal structure is divided into 32 separate segments, and each of these segments has its own brain. In addition to that, every leech has nine pairs of testes — but that’s another post for another day.

Which sea creature does not have a brain?

Some of the other animals that survive without brains include the sea star, sea cucumber, sea lily, sea urchin, sea anemone, sea squirt, sea sponge, coral, and Portuguese Man-O-War. A brain is basically what results when a large group of nerve cells called neurons form one large cluster.

Which animal does not drink water?

Kangaroo RatThe Kangaroo Rat Never Needs To Drink Water That’s because the kangaroo rat can go its entire life without once drinking water. We’re referring to the kangaroo rat, a rodent that’s native to the American Southwest and can, astonishingly, go its entire life without ever drinking a single drop of water.

What animals dont have Buttholes?

Yes, the animal kingdom does witness organisms without anal pore. On the onset of evolution, primitive divisions like Porifera( sponges), cnidaria (jelly fishes and corals),ctenophora (sea comb jellies) and platyhelminthes(flat worms) had to make do with whatever little the nature had to offer to them with.

Which animal does not have heart and brain?

Jellyfish1) Jellyfish The Jellyfish is a very simple and primitive creature. It doesn’t even have a brain. A jellyfish has no heart because it has no blood flowing around inside its body.

Which animal has a heart in its head?

shrimpA shrimp has it’s heart on its head. Looking at the anatomy of a shrimp we can see that its heart is located behind the brain.

What animal has 800 stomachs?

Etruscan shrewClass:MammaliaOrder:EulipotyphlaFamily:SoricidaeGenus:Suncus11 more rows

What animal has 9 hearts?

octopusAn octopus has three hearts, nine brains, and blue blood. Two hearts pump blood to the gills, while a third circulates it to the rest of the body.

Which animal has teeth in its stomach?

Ghost crabs “growl” when threatened by grinding the teeth inside their stomach against each other. While many crustaceans have teeth in their stomachs for grinding up food, the ghost crab is the first shown to use them to making sounds for communication as well.

Which animal has the longest lifespan?

The ten longest-living creatures in the world10 Turritopsis dohrnii. The oldest living creature is a jellyfish just a few millimetres long and can be found in moderate to tropical waters. … 1 Asian Elephant. … 2 Blue and yellow macaw. … 3 Man. … 4 Giant lobsters. … 5 Bowhead whale. … 6 Giant tortoise. … 7 Greenland shark.More items…•

Which animal will not die?

The ‘immortal’ jellyfish, Turritopsis dohrnii To date, there’s only one species that has been called ‘biologically immortal’: the jellyfish Turritopsis dohrnii. These small, transparent animals hang out in oceans around the world and can turn back time by reverting to an earlier stage of their life cycle.

Which animal will die after drinking water?

That’s because the kangaroo rat can go literally its entire life without once drinking water.

What animal has green blood?

Credit: Photo by Chris Austin, LSU. Green blood is one of the most unusual characteristics in the animal kingdom, but it’s the hallmark of a group of lizards in New Guinea. Prasinohaema are green-blooded skinks, or a type of lizard.