Which of the Following Could Qualify as a Top-Down Control

question 10

Multiple Choice

Which of the following could qualify as a top-down control on a grassland community?

• A) limitation of plant biomass by rainfall amount
• B) influence of temperature on competition among plants
• C) influence of soil nutrients on the abundance of grasses versus wildflowers
• D) effect of grazing intensity by bison on plant species diversity

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Definitions:

Sweetness

A taste sensation often caused by sugar or substances with a similar chemical structure.

Felines

A family of mammals, known as Felidae, which includes domestic cats, lions, tigers, and other wild cats.

Plant Toxins

Naturally occurring poisonous substances produced by plants as a defense mechanism against herbivores and pathogens.

Detect

To find out or determine the presence or existence of something.