''The main concept of cell theory is that cells are the basic structural unit for all organisms. ... However, in the same way that atoms are the basic unit when you study matter, cells are the basic unit for biology and organisms. In larger organisms, the main purpose of a cell is to organize.''
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Answer:
B
Explanation:
random motion from one part of a membrane to another, from a lower concentration to a higher concentration.
<span>The tissue that wood is made of is xylem. It is a very important tissue for vascular plants. Why? Because of it's basic function, which is in fact to transport water from roots to shoots and leaves. However it also has another function, which is to transports some nutrients. Also, the very word, xylem, is derived from Greek, and it means "wood", and the best-known xylem tissue is in fact wood.</span>
Rotifer’s cilia draw a vortex of water into its mouth and the rotifer then sifts the food
By using different types of technology, like weather satellites, radar, and river gauges, scientists can reduce flood damage and loss of life by providing Advance warnings
