List two adaptation that make penguins good swimmers.
Answers
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).
Answer:
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Penguins' adaptations for water include physical changes for swimming well and solid bones that help it to stay under water.
Some land adaptations include blubber, waterproof feathers, a brood pouch, and huddling together to stay warm.
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