A Table,formula,or Graph That Shows All Possible Values a Random

question 225

Multiple Choice

A table,formula,or graph that shows all possible values a random variable can assume,together with their associated probabilities,is called a(n) :

• A)probability distribution.
• B)discrete random variable.
• C)expected value of a discrete random variable.
• D)None of these choices.

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Definitions:

Community

An assemblage of different populations that live together in a defined area and interact with each other.

Keystone Species

Species that have a disproportionately large effect on their natural environment relative to their abundance, often influencing both ecosystem structure and biodiversity.

Entire Community

Refers to all the organisms living within a specific area, encompassing both the living (biotic) and non-living (abiotic) components of the environment.

Crucial Species

Key species that have a disproportionately large effect on their ecosystem's structure and function, often pivotal for biodiversity.