b. immediate information on the status of a biological system.
<h3>What does a biological system mean?</h3>
A biological system is a collection of organs that cooperate to carry out a certain task. For instance, the circulatory system transports nutrients and waste products to and from the body's cells, while the skeletal system protects and supports the body.
Cells, organelles, macromolecular complexes, and regulatory pathways are examples of biological systems that exist on the micro to nanoscopic scale. A living system, such as an organism, should not be confused with a biological system.
The aim of systems biology is to understand vastly complex biological systems in a way that enables us to model and predict how they will behave.
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Structure. A hypha consists of one or more cells surrounded by a tubular cell wall. In most fungi, hyphae are divided into cells by internal cross-walls called "septa" (singular septum). Septa are usually perforated by pores large enough for ribosomes, mitochondria and sometimes nuclei to flow between cells.
        
             
        
        
        
It is speeding up because more distance is covered every second.
Explanation:
The car can be described to be speeding up because more distance is covered every second. 
From what we understand about velocity and acceleration, the car is accelerating through the ramp. 
It's velocity is increasing with every second it covers. 
This will invariable reduce the time between each distance covered. 
Originally, the toy car starts with a low initial velocity or speed. As it gains acceleration, the speed will increase and more distance covered per seconds. 
This is why the dots clustered towards the end of the diagram. The positions are getting closer and distance reducing per seconds. 
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They also need energy to move and to stay alive