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To combat cold in their extreme environment, is a possibility. Walrus also have high Vitamin A in their liver. Whether the A levels in their liver stay the same throughout the year,... is another question?

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12y ago
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5mo ago

Seals consume a diet primarily comprised of fish and seafood, which are rich sources of vitamin A. They accumulate vitamin A in their bodies as a result of their diet. Additionally, seals store excess vitamin A in their liver, aiding in their ability to survive in cold environments.

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Q: Why do seals contain so much vitamin A?
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Does 100g of broccoli contain more vitamin c than 204 apples?

100 g of broccoli contain about 90mg of Vitamin C - the apples contain about 1000 mg total, so no. Broccoli contain approx. 90 mg vitamin C/100 g or apple contain approx. 5 mg vitamin C/100 g.


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Why do huskies have so much vitamin A in their livers?

Seals have high vitamin A in their livers as vitamin A aids in the growth of their pups, which is important in the short summers of the Arctic in order to prepare for the harsh Arctic winter. Polar bears also have high vitamin A, mainly due to their diet of seals but possibly also due to the same need for fast growing offspring. Huskies are the dogs of eskimos who live in freezing conditions and hunt mainly seals and do not consume seal livers due to the lethal concentrations of vitamin A. We can see evidence of these evolutionary pressures on Huskies to develop the same adaption. We can also speculate that the gene determining how much vitamin A is produced is simple, possibly something that can change between the time dogs were first domesticated and the Huskies of today. The speculations I have made are not for certain but hopefully the evidence can shed light on the situation.


Can animals be poisoned by liver?

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How much nutrition is in lemons?

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Vitamin D comes from the sun..so mabey because the sun ripens the fruit Hope this helps :) Vitamin D does NOT come from the sun! The only thing you get from the sun is light, heat, and several types of radiation. What the sun DOES do is activate the vitamin D stored in the fat cells beneath the epidermis (your skin, the largest organ in your body) in response to sun exposure.


How much calorry in an egg?

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