88, 87, 21, 86, 38, 44, 43, 47, 80

question 71

Multiple Choice

88, 87, 21, 86, 38, 44, 43, 47, 80

• A) 25.7
• B) 23.0
• C) 589.3
• D) 530.4

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Definitions:

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.

Keystone Species

A crucial species whose presence significantly influences the survival of other species in an ecosystem, and its removal would lead to significant changes in the ecosystem's structure.