Grade 9 · Science

Explain natural selection from population evidence

Loading quiz…

Example & extra help
Try a sample

A claim says each plant decided to grow an inherited deep-root gene because it needed water. What kind of explanation is this?

  1. differential reproductive success
  2. heritable variation
  3. population change across generations
  4. an unsupported individual-choice explanation
See the answer & why

an unsupported individual-choice explanation

Need or choice does not create the specified inherited gene in each individual.

A little hint: Start with variation already present among individuals, including heritable differences.

Start with variation already present among individuals, including heritable differences.

All questions