How Does the Size of Fungal Hyphae Contribute to Their

question 96

Multiple Choice

How does the size of fungal hyphae contribute to their ability to decompose detritus?

• A)Fungal hyphae have a low ratio of surface area to volume, so they are able to absorb more nutrients.
• B)Fungal hyphae have high ratio of surface area to volume, so they are able to absorb more nutrients.
• C)Fungal hyphae have a low ratio of surface area to volume, so they are able to secrete more digestive enzymes into the surrounding environment to break down detritus.
• D)Fungal hyphae have a high ratio of surface area to volume, so they are able to secrete enzymes into a greater area of soil to break down detritus.

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Definitions:

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, eventually triggers a conditioned response.

Unconditioned Stimulus

In classical conditioning, a stimulus that instinctively and automatically induces a response without previously being learned.

Extinction

In psychology, the gradual disappearance of a conditioned response when the reinforcement is withheld; in biology, the end of an organism or of a group of organisms.

Stimulus Generalization

A psychological phenomenon where a response is elicited by stimuli similar, but not identical, to the original stimulus used in conditioning.