Ans: Cells are so small because it allows them to have a better surface area to volume ratio. This makes it much easier for the cell to bring in necessary nutreints and excrete wastes. Also the smaller the cell is, the less time it takes to replicate the small cell as opposed to a bigger cell.
A reference point is defined as the initial position of an object from which its motion is described.
<h3>What is Reference point?</h3>
This is used as a standard for evaluation or measurement of properties in a body.
Option A was chosen because the motion of the object is described through comparison with the initial position.
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Answer:
They all are the same the difference between them is they are used for different reasons
Answer:
Competition. Additionally, with competition comes <u>survival of the fittest</u>.
Explanation:
Competition is formed when more than one species must fight for the same resource/commodity.
