The Saguaro Cactus Is a Large Cactus Found in Some

question 32

Multiple Choice

The Saguaro cactus is a large cactus found in some southwestern desert environments. It plays a central role in providing habitat for a variety of other species, and if these cacti die or are removed from the ecosystem, biodiversity declines. Thus, the Saguaro cactus is a __________.

• A) keystone species
• B) tertiary consumer
• C) generalist
• D) trophic level

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Definitions:

Explanandum

Explanandum is the phenomenon or event that is being explained in a scientific or philosophical context.

Hypothesis

An educated guess or proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Explanation

A proclamation or summary that illuminates by delving into more specific details or presenting important facts or notions.

Explanation

An explanation or description that clarifies by detailing the pertinent structure, mechanism, or underlying causes.