Speculate on the Diversity of Life on Earth If Plants

question 48

Multiple Choice

Speculate on the diversity of life on Earth if plants had never evolved.

• A) The existence of large multicellular consumers such as animals and fungi would be unlikely.
• B) No atmospheric oxygen would exist and the cell metabolism used by animals and fungi would not be possible.
• C) Bacterial life would display a greatly expanded diversity since the competition created by plants would have been absent.
• D) Photosynthetic species belonging to the fungi and animal kingdoms would surely have evolved.

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Definitions:

Intramuscular

Referring to an injection given directly into the muscle.

Abbreviation

The shortened form of a word or phrase used to save space or avoid repetition.

LOM

Limitation of Motion, a term used to describe the restricted movement of a limb or joint.

Analgesic

A category of drugs used to achieve pain relief; also known as painkillers.