What is most important for determining the fitness of one organism versus another?

Name: What is most important for determining the fitness of one organism versus another?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The environment is the most important factor in determining the fitness of one organism versus another because it directly influences which traits are advantageous for survival and reproduction. Organisms best adapted to their current environment are more likely to survive, reproduce, and pass on their genes.

What Is Most Important for Determining the Fitness of One