water and sunlight
cells
it depends. however most plants will need at least some light to survive
Survival, everything else is secondary.
yes a cactus will survive because it stores water in its trunk for when it needs it most
Non-living things have no needs because they are "non-living" as in they are not alive. An example of a non-living thing would be a coffee mug. Living things have a number of needs, the two most important being water and air.
The way to prioritize customer needs is to figure out what situation is of the most urgency. From there, go in order of most to least urgent.
Without food or water no one would be able to survive, the most needed thing is water more than food. Some healthy things you should eat are fruits and vegetables.
use sunscreen
The earth worm is the most successfull in the grass community because the worm needs to survive by living in the earth or soil. The common earth worm needs soil to survive its life time.
Air, water, and food. Sorry, but that is 3 things.
favorite things, birthday, anniversary
the most basic thing is ................DO YOUR HOMEWORK