Question

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termites share an endosymbiotic relationship with the protozoan that live in their gut which statements are true of this relationship? choose two correct answers. the termite benefits from the relationship by receiving food from the protozoan. protozoan only exist inside termites. the protozoan benefits from the relationship by receiving shelter and food from the termite.

Explanation:

1. For the first option: Termites rely on protozoa in their gut to digest cellulose (from wood, their food source). So the termite benefits by receiving food (digested nutrients) from the protozoan. This is correct.
2. For the second option: Protozoa in termite gut are endosymbionts, meaning they live inside the termite. So stating "Protozoan only exist inside termites" (in the context of this endosymbiotic relationship) is correct as they are dependent on the termite's gut environment.
3. For the third option: The protozoan benefits from the termite by getting shelter (the termite's gut) and food (the wood particles the termite ingests, which the protozoa can also utilize). This is correct? Wait, no—wait, the endosymbiotic relationship here: termites provide shelter (gut) and food (wood) to protozoa, and protozoa help termites digest the wood (so termites get nutrients). Wait, maybe I misread. Let's re - evaluate:

Wait, the first option: "The termite benefits from the relationship by receiving food from the protozoan" — termites eat wood, but they can't digest cellulose. The protozoa in their gut digest cellulose, so the termite gets the digested food (nutrients) from the protozoan. So this is correct.

Third option: "The protozoan benefits from the relationship by receiving shelter and food from the termite" — the termite's gut is shelter, and the wood the termite eats is the food source for the protozoan (since protozoa can digest cellulose from the wood). So this is correct.

The second option: "Protozoan only exist inside termites" — is this true? Maybe not necessarily "only" exist inside termites, but in the context of this endosymbiotic relationship, they live inside termites. But maybe the second option is incorrect. Wait, the question is about the endosymbiotic relationship between termites and the protozoan in their gut.

So the two correct statements are:

1. The termite benefits from the relationship by receiving food from the protozoan.

1. The protozoan benefits from the relationship by receiving shelter and food from the termite.

Wait, let's check again.

Endosymbiosis: both organisms benefit. Termite: gets help digesting cellulose (so food from protozoan's digestion). Protozoan: gets shelter (termite's gut) and food (the wood material the termite ingests, which the protozoan can use).

The second option: "Protozoan only exist inside termites" — this is a strong statement. Maybe there are other environments where protozoa exist, so this might be incorrect. So the two correct ones are the first and the third.

Answer:

• The termite benefits from the relationship by receiving food from the protozoan.
• The protozoan benefits from the relationship by receiving shelter and food from the termite.