The animal that has 52 hearts is the 52 hertz whale and has a heart that is the size of a small car and during the main feeding season it eats around 7,936 lbs of krill per day.
The 52 hertz whale is detected in the Pacific Ocean every year, beginning in August through December, and moves out of range of the hydrophones in January through February.
It travels as far north as the Aleutian and Kodiak Islands and as far south as the California coast, swimming between 30 and 70 km each day.
The animal that has two hearts is the octopus.
Well in reality the octopus has 3 hearts but one main heart and 2 other hearts.
An octopus has one main, systemic heart that pumps blood to the whole of its body.
But it also has two additional hearts, responsible for pumping blood over each of its gills.
The kind of animal that has no brain is the sponge.
Sponges constitute the phylum Porifera, and have been defined as sessile metazoans (multicelled immobile animals) that have water intake and outlet openings connected by chambers lined with choanocytes, cells with whip-like flagella.
Sponges, the members of the phylum Porifera, are a basal animal clade as a sister of the Diploblasts.
They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells.
The animal that dies after eating chocolate is a dog.
However dogs don't usually die right away or soon after eating chocolate and some dogs may actually be fine if they only ate a small amount of chocolate.
However chocolate still is toxic to dogs and should not be given to dogs.
If your dog eats enough chocolate, it can become really sick and even die.
Chocolate poisoning in dogs and pets is not that uncommon.
In 2020, the Animal Poison Control Center's helpline reported handling 76 cases of “chocolate exposure” every day.
Chocolate contains cocoa, and cocoa contains the compound theobromine.
Theobromine is toxic to dogs and other animals at certain doses.
The animal that dies when it drinks water is the Kangaroo rat as when they drink water the water flushes out nutrients in the kangaroo rat which can cause death.
The Kangaroo rat gets all it's water through metabolism from the seeds it eats so ti does not need to drink any water.
Kangaroo rats, small mostly nocturnal rodents of genus Dipodomys, are native to arid areas of western North America.
The common name derives from their bipedal form.
They hop in a manner similar to the much larger kangaroo, but developed this mode of locomotion independently, like several other clades of rodents.
The animals that dies after childbirth include the octopus, the squid, salmon and the common mayfly.
And for the most part, the males die soon after fertilizing the female's eggs and the females live only long enough to birth their young before dying.
The animal that never dies is the Jellyfish or more specifically the Jellyfish Turritopsis dohrnii.
Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish found worldwide in temperate to tropic waters.
A tiny jellyfish named Turritopsis dohrnii is capable of living forever, Motherboard reports.
Only discovered in 1988, the organism can regenerate into a polyp—its earliest stage of life—as it ages or when it experiences illness or trauma.
While an immortal jellyfish can age in reverse, it can also be easily killed by predators including various fish, sharks, turtles and even other jellyfish.
Of course, Turritopsis dohrnii isn't truly 'immortal'.
They can still be consumed by predators or killed by other means.
However, their ability to switch back and forth between life stages in response to stress means that, in theory, they could live forever.
In nature, most Turritopsis dohrnii are likely to succumb to predation or disease in the medusa stage without reverting to the polyp form.
The capability of biological immortality with no maximum lifespan makes T.
There are two main ways that jellyfish reproduce and if the conditions are favorable they can do this daily.
There are a few jellyfish species that receive sperm through their mouths to fertilize eggs inside the body cavity, but most jellyfish just release sperm or eggs directly into the water.
T. dohrnii may bend the rules to rejuvenate itself, but it can't always cheat death.
For example, jellyfish, including immortal ones, are prey to other animals, such as fish and turtles.
Polyps are also practically defenceless to predation by animals such as sea slugs and crustaceans.
Turritopsis dohrnii, the so-called "immortal jellyfish," can hit the reset button and revert to an earlier developmental stage if it is injured or otherwise threatened.
Like all jellyfish, Turritopsis dohrnii begins life as a larva, called a planula, which develops from a fertilized egg.
Jellyfish and sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria.