What Animals Dont Have Eyes?

What has an eye but no head?

Answer Expert Verified needle, cyclone, potato etc…

have eye but no head…..

Which animal has no head but have eyes?

jellyfishAnswer:A jellyfish has no eyes ,head ,mouth ,bones ,lungs, brain and no heart . Explanation:Their body is almost totally made up of water .

Why do eyes have two?

Having two eyes means that the light from the same source hits each eye at a different angle, giving our brains a way to determine distance of the object. Alternatively, one eye can be placed on each side of the head (as in many birds and fish) so that you can see the entire surroundings at the same time.

What animal does not have 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.

What animal is deaf?

Octopi, squids, and cuttlefish (coleoid cephalopods): All are truly deaf, completely lacking any kind of acoustic receptors. Sea lions: The Brookfield Zoo near Chicago, IL, has a deaf sea lion named Harley. Snakes: In the early 1950s, there were newspaper reports that “research” had shown snakes to be completely deaf.

What animal has no brain?

Sponge Brains Almost all animals have a brain, but there are a few exceptions. There is one organism that has no brain or nervous tissue of any kind: the sponge. Sponges are simple animals, surviving on the sea floor by taking nutrients into their porous bodies.

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.

Do any animals have four eyes?

The all-seeing lizard, called Saniwa ensidens, is the first jawed vertebrate on record to sport four eyes, the researchers said. These days, the jawless lamprey is the only known four-eyed creature with a backbone.

What animal has eight 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.

Which ring is a square?

For these and other reasons, the boxing ring is commonly referred to as the “squared circle”.

What bugs dont have eyes?

10 Incredible Animals Without EyesFreshwater hydra (Hydra magnipapillata)Widemouth blindcat (Satan eurystomus) … Texas blind salamander (Eurycea rathbuni) … Blind legless lizard (Dibamus dalaiensis) … Mexican tetra (Astyanax mexicanus) … Southern cave crayfish (Orconectes australis) … Kauai cave wolf spider (Adelocosa anops) … More items…

Are any animals blind?

Just like humans, animals can become blind as well. Blindness in animals can be caused by many of the same things that cause blindness in humans. … Many species of mammals, such as rabbits, are actually born blind (born with their eyes closed and eyelids fused together), with their eyes opening a little while later.

Do all animals have 2 eyes?

While all mammals are believed to have two eyes, some species can have eyes that are vestigial. This means that their eyes are so small that they do not function or work. … Now you can see that in the animal world, there can be creatures with no eyes, lots of eyes, two eyes, and even one.

Are sharks blind?

Their study shows that although the eyes of sharks function over a wide range of light levels, they only have a single long-wavelength-sensitive cone type in the retina and therefore are potentially totally color blind. …

What has a head but no neck?

The answer to the “who is that with a neck and no head” riddle is “a shirt”. There you have it! We mentioned that it can be more than one thing as the correct answer could also be a sweater etc.

What room does not have doors or windows?

mushroomThe answer is: A mushroom.

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.