Imagine you are on a team designing a moon base that will be self...

Question

Imagine you are on a team designing a moon base that will be self-contained and self-sustaining. Once supplied with building materials, equipment, and organisms from Earth, the base will be expected to function indefinitely. One of the team members has suggested that everything sent to the base be sterilized so that no bacteria of any kind are present. Do you think this is a good idea? Predict some of the consequences of eliminating all bacteria from an environment.

Accepted Answer

Hey everyone, let's take a look at this question together. The following roles of microbes as de composers in the biosphere are all true except which let's recall what we know about the function of microbes as d composers in the biosphere to figure out which of the following is incorrect. So we're talking about the composers and let's recall what we know about what they are responsible for. So we know that they decompose organic matter. And when we're saying organic matter, we're usually referring to like dead plants or animals found in the ecosystem. And when they decompose that organic matter, they actually are releasing the energy back into the environment so they release energy back into the environment. So back into environment and doing so actually creates new space. So they create new base. And what this means is that new organisms can come and occupy that area because that energy is released back into the environment and that provides space for new life in the biosphere. And so based on what we've just written down that we know about DE composers, we can see that answer choice A. And answer choice C. Is correct. Which means we can cross off answer choice A. And C. Because that is not what we're looking for in our answer. Since we're looking for the one that is not true. And so looking at answer choice B. They make nitrogen available to other organisms. This is through nitrogen fixation, which we do know that D composers do that and they do nitrogen fixation, which they convert that waste back into ammonia so that new organisms can use the nitrogen in the soil. And so that means answer Choice B is not the correct answer. Because answer choice B is a true statement, leaving answer choice D. To be the correct answer. Because that is the only statement here. That is not correct because as we know, when organisms decompose that organic matter, they release energy back into the environment and create new space, which provides new nutrients into that soil. So that means that the soil does not become depleted of all nutrients. So answer Choice D. The only incorrect statement here and the correct answer, hope you found this video to be helpful. Thank you and goodbye.

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