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A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus. A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.
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Ozone molecules in the stratosphere are constantly being produced and destroyed by different types of UV radiation from the sun. ... However, scientists have discovered that certain chemicals react with UV radiation in the stratosphere, which causes them to break apart and release chlorine or bromine atoms.
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Mutualism= since the neither the bacteria nor the plant was disturbed with relationship, but rather benefited from one another.The bacteria only feed on the waxy covering on the leaf's surfaces, which is nonliving and has no effect on it living tissues,while the plants benefited through inhibition of other bacteria growth on it tissues ; this is Mutualism since the two organism plants and bacteria interrelate and belong to different species.
Pathogenic -since bacteria fed on the plant tissues and cause damages, this is pathogenic.it may lead to infection. The bacteria is said to be Pathogenic bacteria for this single act.
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