Refer to the Figure

question 30

Multiple Choice

Refer to the figure.
What is the best description of the relationship identified by van der Heijden et al. between the average shoot biomass of the target plants and the number of mycorrhizal fungal species associated with them?

• A) When the number of species is small, shoot biomass is also low; as the number of species increases, shoot biomass also increases.
• B) When the number of species is small, shoot biomass is low; as the number of species increases, shoot biomass rapidly increases, then begins to level off.
• C) When the number of species is small, shoot biomass is low; when the number of species is moderate, shoot biomass is high; when the number of species is high, shoot biomass is low.
• D) The number of species has no effect on shoot biomass.

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Definitions:

Transitivity

The ability in logic and mathematics to understand that if a relationship exists between A and B, and B and C, then that relationship exists between A and C.

Plasticity

The capacity of the brain to change and adapt in response to experience, learning, or injury.

Connectives

Parts of speech that connect words, phrases, or clauses, enhancing coherence in text.

Indirect Object-Direct Object Constructions

Grammatical structures in sentences where an action is performed by the subject on two objects, with the indirect object typically receiving the direct object.