They do the same thing that all living and breathing things do! They breathe! When they breathe they are doing the same thing you are doing all day everyday. Inhaling oxygen and exhaling carbon dioxide.
The scheme of modern taxonomy goes:
Life > Domain > Kingdom > Phylum > Class > Order > Family > Genus > Species
So, a PHYLUM is made of several classes.
Answer:
Cell membrane
Explanation:
Sumer has come up with a great analogy for a presentation she is giving in her psychology class. The membrane encasing a neuron only allows some ions to pass in and out of its channels. And she is going to describe this cell membrane as a guard only allowing some patrons to enter and leave a controlled area.
Table 1: The horizontal pulling forces (F) and resulting acceleration (a) for the cart.
The cart experiences no motion when there is 0.1 N of horizontal force, so F=0 in this case. When one uses Newton's Second Law to find the acceleration caused by each force, it becomes clear that every row in the chart represents a horizontal force of approximately F=20 N. The best fit for the missing value is F=-30N.
In the context of scientific approach, the role of data is central as well as fundamental when scientists search for observations which would either verify or reject their ideas regarding the world.
The scientific approach follows a systematic order in which theories or hypotheses are tested through experiments and observations are recorded. These observations are in the form of raw data which are then analyzed by scientists.
Analysis of the data leads to the generation of information which can be utilized suitably to develop an insight about the subject of interest. This information is helpful in determining whether an idea or theory is substantial or not.
To learn more about data here
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