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They have air sacs in their throat to help keep their head up so they can sleep without drowning
Walruses can float due to their very high body fat content.
air sacks
they sleep and float on the water
flubber
Walrus have special air sacks (lungs in a way) and the ability to sleep is honnestly beyond on me, but I guess would be they have special eyes of some sort. Hope this helps anyone. I have a school project on this haha. Sorry for any spelling errors! -Me <3 :)
The Water Hyacinth has special adaptations to allow it to grow and spread rapidly in freshwater. They can withstand extremes of nutrient supply, pH level, temperature, and even grow in toxic water. It is also the only large aquatic herb that can float on the water unattached to the bottom. They grow best in still or slow-moving water.
Well, whales have special physical attributes that help them keep afloat. for example, it has a special liver filled with oil that helps it to swim. it also uses movement and its fins to keep from sinking. we weigh a tad more than a brick and we still float because we have special adaptations that stop us from sinking - we can swim! can a brick swim? does a brick have these special physical attributes? no! we are alive - bricks aren't.
it can float.... so a dog can hold onto it if it's drowning
They allow it to float
tiny hair on the roots and a swollen leaf stalk
They allow it to float