How old can sea turtles live to be? Take the oldest animals quiz!

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While the average human lifespan is more than double what it was just a few centuries ago, it's nothing compared to the life expectancy of some animals. Take our quiz to learn which creatures live the longest and the secrets behind their longevity.

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Question 1 of 20

What type of animal is the longest-lived creature on record, as of 2012?

elephant
parrot
clam
dog

... In 2006, scientists found a clam off the coast of Iceland with an estimated age of 405 to 410 years, making it the oldest living animal on record.

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Question 2 of 20

What's the oldest captive animal in the world?

tortoise
gorilla
macaw
elephant

... Jonathan the giant tortoise is believed to be the oldest known animal living in captivity, as of 2012. At the age of 178, he still finds the energy to mate with his three favorite female friends.

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Question 3 of 20

How old was the oldest living dog on record when he was euthanized in 1939?

52
38
29
19

... An Australian Cattle dog named Bluey lived to the age of 29 before he died in 1939, making him the oldest dog on record.

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Question 4 of 20

How old was Jeanne Louise Calment, the oldest-known person on record, when she died in 1997?

110
116
122
132

... Jeanne Louise Calment lived from 1875 to 1997. She died at the age of 122, making her the oldest age-verified human on record.

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Question 5 of 20

Which of the following represents the primary reason why giant tortoises live so long?

strong conservation policies
plant-based diet
tough, scale-covered skin
slow metabolism

... Giant tortoises live long lives primarily thanks to their slow metabolism. Some scientists theorize that the process of breaking down food results in damaging free radicals, which could explain why animals with a slower metabolism tend to live longer than other species.

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Question 6 of 20

Fact or fiction: Lobsters exhibit no signs of aging over time.

fact
fiction

... Fact: Lobsters display no signs of aging, such as changes in behavior or appearance. Because of this, scientists have not yet found a way to successfully determine the age of a lobster.

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Question 7 of 20

How old was Debby, the oldest polar bear on record, when she died in 2008?

16
24
32
42

... Debby was the most popular animal at a zoo in Winnipeg, and also the oldest known polar bear in the world when she died at age 42 in 2008.

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Question 8 of 20

In 2006, experts determined a particular bowhead whale to be between 115 and 130 years of age. On what did they base this estimate?

"age rings" around the blowhole
a bomb lance fragment embedded in its blubber
its length-to-girth ratio
the angle of the jaw

... In 2006, scientists found shrapnel from an 1890s bomb lodged inside of a bowhead whale off the coast of Alaska. This means the animal was between 115 and 130 years old.

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Question 9 of 20

Fact or fiction: Small animals tend to live longer than bigger ones.

fact
fiction

... Fiction: Generally, larger animals live longer than smaller ones. There are exceptions to this rule however, such as the bat, which tends to live much longer than other similarly-sized creatures.

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Question 10 of 20

What's the primary factor that helps explains why some regional populations of pearl mussels live much longer than other regional populations of the same species?

regional diseases
vitamins in diet
proteins in diet
ambient temperature of their environment

... In 2009, scientists discovered that pearl mussels living in Spain lived to the age of 29, while members of the same species lived nearly 200 years in Russia, thanks to colder temperatures.

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Question 11 of 20

Fact or fiction: Social animals tend to live longer than those without a strong social network.

fact
fiction

... Fact: Just as strong social ties can improve health in humans, animals with strong social ties tend to live longer than solitary creatures. For example, common flies may only live for a few days, while the queen of a termite colony can live for 30 years or more.

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Question 12 of 20

Which animal has the shortest lifespan on average?

flea
cockroach
gastrotrich
salmon

... The gastrotrich has the shortest known lifespan of all animals, with an average life of just three days. These tiny, transparent creatures are also the smallest invertebrates on the planet.

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Question 13 of 20

When faced with danger, one species of this type of animal regenerates itself to an adolescent state, and can theoretically live forever.

jellyfish
emu
stingray
turtle

... The Turritopsis nutricula, a type of jellyfish, can technically live forever. In times of danger, it can basically turn back time, transforming into a younger version of itself.

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Question 14 of 20

Which mammal has the shortest life?

shrew
lion
gorilla
squirrel

... Shrews have very short lives compared to most mammals, rarely living longer than a year or 18 months. This short lifespan can be attributed to their incredibly fast metabolism.

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Question 15 of 20

How old was Big Bertha, the world's oldest cow, when she died in 1993?

49
39
29
19

... While cows live an average of 25 years, Big Bertha lived to the age of 49, earning her a place in the Guinness Book of World Records. That's not the only record she held, however; Bertha also held the title for most calves ever birthed by a single cow, thanks to her 39 children.

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Question 16 of 20

How old was Lin Wang, the world's oldest known elephant, when she died in 2003?

40
60
86
112

... Lin Wang died at a zoo in Taiwan at the age of 86, making her the world's longest-lived elephant.

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Question 17 of 20

Which of the following is most often cited as an important predictor of healthy longevity in humans?

plenty of red meat in diet
the elusive "Titan gene"
lots of access to fresh air
daily exercise

... Exercise has long been considered one of the most important factors that determines whether you'll live a long, healthy life. Genetics only accounts for about 35 percent of longevity, while the other 65 percent is determined by environmental and behavioral factors, including athletic activity.

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Question 18 of 20

Hanako died in 1977 at the purported age of 226. What type of creature was she?

bird
fish
whale
lobster

... Hanako was a koi fish who was claimed to have lived to the age of 226. Scientists estimated her age by counting the growth rings on her scales.

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Question 19 of 20

As of 2012, how old is Shayne, the world's oldest known horse?

51
39
27
18

... Shayne, a thoroughbred living in the U.K., is 51 years old as of 2012. His owners credit the use of holistic therapy, such as aromatherapy, for his health and vigor.

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Question 20 of 20

What type of animal is Henry the tuatara, who became a father for the first time at the age of 111?

reptile
bird
fish
primate

... Henry is a tuatara, which is a member of the extended reptile family. When he first met his mate Mildred, he bit off her tail. After 25 years of coaxing, though, Henry's keepers finally convinced Henry to mate.

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