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Mutualistic Interactions

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Questions and Answers

What is the role of fungal enzymes in the termite gut?

To break down cellulose in wood
To produce antibiotics against Escovopsis
To inhibit the growth of Streptomyces bacteria
To continue acting on the fungal 'comb' after consumption (correct)

What is unique about Old World termites (Macrotermitinae)?

They have a symbiotic relationship with Streptomyces bacteria
They have larger body size due to protist gut symbionts
They have species-specific fungus gardens (agaric) (correct)
They collect and chew wood pulp to feed the fungal 'comb'

What is the purpose of convective cooling in termite nests?

To prevent the growth of Escovopsis
To facilitate the breakdown of cellulose in wood
To promote the growth of Streptomyces bacteria
To regulate the temperature for fungal growth (correct)

What is the function of Streptomyces bacteria in fungus farming ants?

To promote the growth of Attamyces (B) Signup and view all the answers

What is the role of Termitomyces titanicus in the ecosystem?

It is a type of fungus that forms swollen hyphae eaten by termites (B) Signup and view all the answers

What is the main benefit of mycorrhizal fungi to plants?

Nutrient access through exoenzymes (A) Signup and view all the answers

What is the characteristic of ectomycorrhizal fungi?

Causing changes in root morphology (B) Signup and view all the answers

What is the percentage of plant species that are mycorrhizal?

>90% (C) Signup and view all the answers

What is the function of exoenzymes in mycorrhizal fungi?

Access to diverse nutrient sources (A) Signup and view all the answers

What is the phylum of Arbuscular Mycorrhizal Fungus?

Glomeromycota (B) Signup and view all the answers

What is the duration of coils in Ericaceous mycorrhizas?

3-4 weeks (A) Signup and view all the answers

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