OBJECTIVE LIFE SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of these best demonstrates mutualism between certain types of bacteria and humans?
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Intestinal bacteria obtain nutrients from the gut and produce vitamin K used by humans.
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Bacteria become resistant to antibacterial medication that humans use for treatment.
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Invasive bacteria at an area of injury produce toxins that damage healthy tissues of the human body.
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Bacteria in improperly prepared food is consumed by humans, causing food poisoning
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Explanation:
Detailed explanation-1: -There are four main symbiotic relationships: mutualism, commensalism, parasitism, and competition. To explore these relationships, let’s consider a natural ecosystem such as the ocean. Oceanic environments are known for their species diversity.
Detailed explanation-2: -Examples of Commensalism Staphylococcus and Aspergillus: Staphylococcus is a bacteria with numerous pathogenic species that cause infections and illnesses in humans. However, some of them are metabolic commensals that reside as a part of skin flora.
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