why do penguins gather themselves and cover them.how does it help them? can it be considered an adaptation? give reasons for your answer?
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Answers
Explanation:
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Answer:
Penguins have to keep high body temperatures to remain active. They have thick skin and lots of fat (blubber) under their skin to keep warm in cold weather.
They also huddle together with their friends to keep warm. Emperor penguins have developed a social behaviour that when it gets cold, they huddle together in groups that may comprise several thousand penguins.
The dark coloured feathers of a penguin's back surface absorb heat from the sun, so helping them to warm up too.
What is the job of penguins feathers?
Penguins tightly packed feathers overlap to provide waterproofing and warmth. They coat their feathers with oil from a gland near the tail to increase impermeability. Waterproofing is critical to penguins' survival in water, Antarctic seas may be as cold as -2.2°C (28°F) and rarely get above +2°C (35.6°F).
(-2°C is the freezing point of sea water, below zero because of the salt).
How do penguins stay under water?
Penguins don't have all the extra airspaces in their bones that normal birds have. Their heavy, solid bones act like a diver's weight belt, allowing them to stay underwater.