It allows us to determine not only how and why organisms have become the way they are, but also what processes are currently acting to modify or change them !
Answer:
The components of he respiratory system conduct air to the lungs ,such as the trachea (windpipe) which branches into smaller structures called Bronchi . The process of breathing (respiration) is divided into two distinct phases , inspiration (inhalation) and expiration (exhalation).
Explanation:
The best answer is A. The purpose of the cell wall is to hold the cell in a specific shape, usually rectangular or square. For example, a plant cell's wall keeps it rigid so that the plant can stand up.
If the cell does not have a wall, it can easily change shape to accommodate for things coming in and out of the cell.
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I dont know any of this please help me this iis super hard
The functions of the NUCLEUS in the cell resembles the functions of the brain in higher animals. This is because, it is the nucleus that direct all the cell activities and it also contains the genetic material in form of DNA.