Course: Science Subtest II
Lesson: Genetics and Evolution
Topic: Theory of Natural Selection      Page 1 of 16  

Diagnostic Question



1. What does the phrase "survival of the fittest mean?"

AOnly the healthiest organisms can survive.
BOnly the strongest and fastest members of a group of organisms will survive.
CThe only species that can survive well into the future are those that have phenotypic traits that allow them to survive in their environment and pass their genotypes onto future generations.
DA species or population needs the ability to adapt to all environments in order to thrive in the future.