Question
Infectious diseases are caused by _________.
Infectious diseases are caused by _________.
Infectious diseases are caused by Micro organisms.
Explanation:
Infectious diseases are caused by microorganisms such as viruses, bacteria, fungi or parasites Microorganisms that cause disease are collectively called pathogens. The disease are flu, influenza, AIDS etc.
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Scales, feathers and hairs form ___________ of vertebrates.
Ascaris has a __________ symmetry.
CFCs are carbon compounds having both ___________ and chlorine.
Ferns are example of __________.
Amoeba can change their __________ continuously.