Question: Which Animal Does Not Have A Brain?

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..

What animal has 1000 teeth?

There are more than 100 fish teeth in the ocean for every single animal tooth on land! Most dolphins have 96 teeth and whales have more than 1,000.

Which animal does not have heart and brain?

jellyfishA jellyfish has no ears or eyes or nose and no brain or heart! They do not even have a head. Their body is almost totally made of water and is soft having no bones at all. Jellyfish are invertebrate animals because they do not have a spine or backbone.

What animal has 8 hearts?

Explanation: Currently, there is no animal with that amount of hearts. But Barosaurus was a huge dinosaur which needed 8 hearts to circulate blood upto it’s head. Now, the maximum number of hearts is 3 and they belong to the Octopus.

What animal has 800 stomachs?

Etruscan shrewClass:MammaliaOrder:EulipotyphlaFamily:SoricidaeGenus:Suncus12 more rows

Do giraffes have 2 Hearts?

Three hearts, to be exact. There is a systemic (main) heart. Two lesser hearts pump blood to the gills where waste is discarded and oxygen is received. They work like the right side of the human heart.

Which animal has most brains?

The brain of the elephant is the largest contained by any living land-dwelling mammal. The adult male elephant’s brain can grow to be a whopping 12 pounds.

Do animals have blood types?

Blood groups are categorised by whether antibodies are present and by the type of proteins on the red blood cells. So does this work for animals? Yes they do! As long as the animals in question have blood (not all do) then they will have species-specific ‘blood groups’.

What color is shark blood?

crimson bloodFrom timber wolves to tiger sharks, most vertebrate animals have crimson blood in their veins. This hue is produced by hemoglobin, the protein that helps our blood distribute oxygen.

Which is the largest animal without a brain?

10 Animals That Have No BrainJellyfish. … Sea Sponge. … Sea Lily. … Sea Urchin. … Coral. … Sea Anemone. … Sea Squirts. … Portuguese Man-O-War. Sometimes called a blue bottle thanks to its translucent sac that floats on the surface, this creature is actually a traveling colony of polyps that stick together to create the Portuguese Man-o-War.More items…

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.

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.

Which animal can sleep for 3 years?

SnailsSnails need moisture to survive; so if the weather is not cooperating, they can actually sleep up to three years. It has been reported that depending on geography, snails can shift into hibernation (which occurs in the winter), or estivation (also known as ‘summer sleep’), helping to escape warm climates.

What animal has purple blood?

Meanwhile, some marine worms (such as peanut worms,) have purple blood for a different reason: an oxygen-binding protein called hemerythrin. Finally, there are other marine worms called polychaetes that have blood with yet another oxygen-binding protein, called chlorocruonin.

What animal does not have a heart?

Flatworms2) Flatworms The Flatworms are so flat they have no heart. They have no circulatory system at all and they have no respiratory organs such as lungs. Instead, they rely on a process called “diffusion” to circulate life-giving oxygen and nutrients transported through the body.

What animal has 7 hearts?

Hagfish. Who knew such a nasty creature could have so many hearts? The hagfish has four of them, one main three-chambered systematic heart and three accessory pumps.

Do any animals have 3 eyes?

Yes. A third eye aka Parietal eye . … Parietal eyes are found in lizards, frogs and lampreys, as well as some species of fish, such as tuna and pelagic sharks, where it is visible as a light-sensitive spot on top of their head.

Can a person have 2 Hearts?

Aside from conjoined twins, no human is born with two hearts. But in the case of extreme heart disease, called cardiomyopathy, rather than receiving a donor heart and removing yours, doctors can graft a new heart on to your own to help share the work. This is more commonly known as a piggy-back heart.

Which animal blood is black?

The Peanut Worms are marine animals with dark purple coloured blood and can appear almost black. The purple color is due to the protein called Hemerythrin.

What animal has 9 hearts?

The giant Pacific octopus has three hearts, nine brains and blue blood, making reality stranger than fiction. A central brain controls the nervous system. In addition, there is a small brain in each of their eight arms — a cluster of nerve cells that biologists say controls movement.

What animal has no blood?

Flatworms, nematodes, and cnidarians (jellyfish, sea anemones, and corals) do not have a circulatory system and thus do not have blood. Their body cavity has no lining or fluid within it. They obtain nutrients and oxygen directly from the water that they live in.