Question at position 7 Bacteria that live in a cow's stomach and help it digest food are an example of __________ .parasitismherbivorycommensalismmutualismcompetitionClear my selection

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Question at position 7 Bacteria that live in a cow's stomach and help it digest food are an example of __________ .parasitismherbivorycommensalismmutualismcompetitionClear my selection

BlackTom AI · Accepted Answer

The question asks about bacteria living in a cow's stomach that assist in digestion. This relationship is best understood through the lens of how the two organisms interact.
Option 1: parasitism. In parasitism, one species benefits while the other is harmed. The rumen bacteria do not harm the cow; instead, they aid digestion, so this option mischaracterizes the interaction.
Option 2: herbivory. Herbivory refers to feeding on plants by animals. Bacteria are not feeding on plant tissue in a way that fits herbivory, so this option is not appropriate for describing the relationship.
Option 3: commensalism. Commensalism describes a relationship where one partner benefits and the other is unaffected. Here, the cow benefits from the bacteria's digestive assistance, and the bacteria gain a habitat and nutrients. If the cow is unaffected negatively, this could seem plausible, but the cow does receive a measurable benefit, which makes this interaction better described as mutualistic.
Option 4: mutualism. Mutualism is a symbiotic relationship where both species benefit. The cow gains enhanced digestion and nutrient extraction, while the bacteria receive a stable environment and resources. This aligns well with our understanding of gut microbiota in ruminants.
Option 5: competition. Competition involves organisms vying for the same limited resources. The bacteria and cow do not compete in a way that characterizes a competitive interaction; rather they cooperate for mutual gain.
In summary, the most accurate description is that the bacteria and cow engage in mutualism, since both parties benefit from the relationship, whereas the other options describe different kinds of interactions that do not fit this scenario.

Question at position 7 Bacteria that live in a cow's stomach and help it digest food are an example of __________ .parasitismherbivorycommensalismmutualismcompetitionClear my selection

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