sci task

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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