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Explanation:
Pathogenicity: is a quality attributed to the microorganisms that can cause a disease. It can be defined as the capacity or the degree in which microorganisms can cause a certain sickness. Virulence is the degree of pathogenicity of the microorganisms.
The assisted transport of a molecule through the cell membrane in deprived of expenditure of energy is facilitated transport. It transports molecules via specific trans membrane integral proteins because of being passive the facilitated transport does not directly require chemical energy from ATP hydrolysis in the conveyance step itself but rather molecules and ions move down their concentration gradient.
Newton's three laws of motion may be stated as follows: 1. Every object in a state of uniform motion will remain in that state of motion unless an external force acts on it. 2. Force equals mass times acceleration. 3. For every action there is an equal and opposite reaction.
<span>The most obvious change due to seasonal variation is the change from summer to winter. Some animals migrate to other parts of the world, such as migratory birds. Many animals in colder climates hibernate. In both cases, the absence of these animals leads to a gap in the ecosystem. In regions with highly seasonal rainfall, the low rainfall season can lead to low flows in rivers, and a reduction of certain habitats for some aquatic organisms, such as beaver or aquatic insects.</span>
