A Keystone Species Is One

question 24

Multiple Choice

A keystone species is one

• A) that makes up a very large proportion of total community biomass.
• B) that feeds on a very large fraction of all available prey species.
• C) that is fed on by a very large fraction of all predators in its community.
• D) whose feeding activities have a disproportionate effect on the structure of its community.
• E) that occupies the lowest level (the base) of the food web.

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Definitions:

Goods Available for Sale

The total quantity of goods that a company has in its inventory available to be sold during a specific period.

Ending Inventory

The total value of goods available for sale at the end of an accounting period, calculated before the next period begins.

Cost of Goods Sold

The total cost of materials and labor needed to produce the goods or services sold by a company.

LIFO Inventory Method

An accounting method where the last items of inventory purchased are the first ones used or sold, affecting the cost of goods sold and ending inventory values.