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- hair replaced with under-skin blubber to provide warmth
- tail positioned horizontally to achieve a powerful up and down propulsion
- streamlined bodies which helps in moving through the water
- hind limbs internalized remnants reducing drag
- forelimbs modified into flippers to aid in steering
- they also lick their chest until it is quite wet to cool down as well as under there forearms
- when they are hot kangaroos pant to cool down
- kangaroos have a dense network of blood vessels near the surface of the skin on their forearms.
- kangaroos have massive hind legs that allows them to jump long distances
- they have sturdy long tails which helps them balance.
- Because it has no leaves, it doesn't give up its water through evaporation as easily as other plants.
- have the spine which protect the cactus from animals that might eat them
- Very thick, waxy cuticle to reduce water loss by evaporation .
- Its stems are thick with a lot of room for storing water, and with a protective covering that keeps the stored water inside.
- The plant has a shallow root system that absorbs maximum water even during light showers.
- The top side of the leaf is covered with a cuticle to keep it as dry as possible
- big leaves that float on the water's surface to attract ample sunlight for photosynthesis.
- underside has thorns to protect against predators.
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