The answer is <span>provide basis of food chains.
</span><span>Plankton includes a diverse group
of organisms that live in the water, but are not capable of active
swimming against the current. They are usually present in the upper part of the ocean, where is enough sunlight.
They are the basis of food chains in water ecosystems. They provide food for different animals, such as jellyfish, shrimps, whales, etc. </span>
I believe this was D but i forgot.
A= X (20) times Y (20). Multiply by your overall width (3), you get 1200.
20 x 20 x 3 = 1200
osmosis is important process to plants .osmosis gain water through their roots. by osmosis water moves into plant cells to make them turgid or stiff so that they are able to hold the plant upright.n all living organisms, nutrients and minerals make their way to the cells because of osmosis.
