The statement, "all plants and animal tissue is made up of tiny units," is known as the what?

The Cell Theory states that all plants and animal tissue are made up of tiny units. It is one of the most basic principles of Biology. Theodor Schwann, Matthias Schleiden, and Rudolph Virchow were credited for this theory. 

The Cell Theory states that cells are the basic unit or the building blocks of life and that all cells existed or arose from pre-existing cells. The theory also states that all living organisms are made up of either unicellular or multicellular cells that have energy flow and are responsible for many processes in the bodies of living organisms.

The modern definition of the theory is that all cells have the same basic compositions and DNA is passed on from cell to cell.  

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )

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