They don't 'need' to - however... the water helps to support their body. Additionally - alligators (and crocodiles) are 'ambush' predators. They cannot run very fast on land - so they lie submerged in water - waiting for prey to move within striking distance.
How are crocodiles aboe to go underwater without swallowing water
i think to smell for prey. the nose closes underwater
Yes. Crocodiles do not have gills, as they hold their breath when underwater.
Yes whales can stay under water for more than an hour, unless they are still babies then they need to have oxygen sooner.
By going underwater into the muddy caves once they seek predators
Because they're meant for living underwater
Paint does not affect how long the turtle can stay underwater..
Since most crocs are larger and more aggressive, I would go with the crocodile.
Yes, crocodiles are able to open their mouths underwater due to a special flap in their throat that allows them to breathe while keeping their mouths open. This adaptation allows them to stay submerged and ambush their prey.
by staying calm under water . you need to practise yoga.
by being cold blooded by having second eyelids and by being able to breath underwater
A penguin can stay underwater for about 15 minutes and can go to a depth of 1700 feet.