At a Spatial Scale of Approximately 10mm in Radius,the Grass

question 39

Multiple Choice

At a spatial scale of approximately 10mm in radius,the grass species Aira praecox was found to be _______ with another grass,Erodium cicutarium.As a result A.praecox tended to occur in small single-species clumps making it less likely to experience competition from E.cicutarium.

• A) Positively associated.
• B) Negatively associated.
• C) Neutrally associated.
• D) Slightly associated.

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Definitions:

Semicircular Canals

Three fluid-filled loops in the inner ear that are involved in maintaining balance.

Vestibule

An antechamber, hall, or lobby next to the outer door of a building, or an entryway into a larger space.

Auricle

The external portion of the ear; it collects sound waves and directs them into the ear canal.

Stapes

A tiny bone in the middle ear that plays a critical role in the process of hearing by transmitting sound vibrations from the middle ear to the inner ear.