When you ask the question "Has this author been cited in other resources?" you are evaluating the relevance of the resource. You cite a source in order to get a stronger picture of its intellectual value. And if the author (the source) you cited has been cited in other resources too, this means that the source is reliable (is able to be trusted), you are evaluating the reliability of the source.
There are several reasons why you should cite resources in your works: to proof your thesis, to show proper research and many more.
Since it is a organism, we know its a living thing.
Ex: Rock=not living=not organism
Plant=Living=Organism
If you studied it under a microsope, you would expect to see cells as every living thing has. A microscope is a tool used by scientist and are made to see very little things that our regular eyes and a magnifying glass cannot see. So you would see cells because cells are very very tiny
Secondary Succession<span>
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There are radio waves, microwaves and infrared waves