Bacteria perform the following ecological roles. which role typically does not involve symbiosis?

you should mention those choices in the above question so that I could answer you the right answer but I will try my level best to clear your confusion.

Symbiosis: the process in which two organisms live together and provide mutual benefits to each other. like flea and mosquito, coral and algae etc.

some organisms that are present in the skin and gut are involved in the symbiosis.. but some bacteria like decomposer organisms don’t involve in the symbiosis process.

hope you got the point

Thanks

Bacteria perform the following ecological roles. Which role typically does not involve symbiosis? \begin{equation}\begin{array}{ll}{\text { (A) skin commensalist }} & {\text { (C) gut mutualist }} \\ {\text { (B) decomposer }} & {\text { (D) pathogen }}\end{array}\end{equation}


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Video Transcript

Hi, folks. It's will and I'd like to help with a question based on content from Chapter 27 which is titled Bacteria and Archaea. This particular question reads as follows. Bacteria perform the following ecological roles. Which role typically does not involve symbiosis. In order to answer the particular question, we first need to remind ourselves of symbiosis. In other words, we're talking about symbiotic relationships, which are relationships between two organisms that are living in close proximity. In section five of this chapter, three types of symbiotic relationships are defined. Commence Soliz um, in which one of the organisms in the relationship derives benefit. But the second organism is neutral in its response. In other words, it receives neither benefit nor harm from the interaction or the relationship. The second type is mutual is, um, and this is a scenario in which both organisms derive benefit from the relationship, and the third is parasitism, which is one organism. Derives benefit. However, the other organism is harmed as a result of the interaction. Now the question again reads which world typically does not involve symbiosis and therefore answer choices. A skin commence a list B D composer see gut mutual ist and D pathogen. Let's take a look at the three answer choices that are incorrect and talk about why, and that will lead us to the correct answer choice. A skin commence a list. Within that response, you see a form of the word commence, Eliza Mme, which we said is an example of a symbiotic relationship and choice. See, we see the term gut mutual ist, which again we see is a form of mutual ism, which is a type of symbiotic relationship. Choice D is pathogen, and initially you might be inclined to, uh, consider. This is a possible choice because you don't see a pathogen is a massive one of the types of symbiotic relationships. However, a pathogen is a disease causing organisms, and one of the consequences of it parasitism is ah, disease. In other words, path of sites can also be a pistol. Me parasites can also be pathogens, so really pathogen is associated with the parasitism or a parasitic relationship that leaves choice. B D composer and remember D composers are involved in recycling of nutrients are breaking down organic materials to recycle those raw materials in the ecosystem. This does not involve a relationship between two living organisms and therefore is not, uh the is not a form that involves symbiosis. So the correct choice would be B D composers because it does not involve symbiosis, so I hope this explanation was helpful.


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