Skip to content
World 8 · Natural selection · 9 min · PRO

No variation, nothing to select

PRO · Genetics

World 8: Natural selection is part of PRO

The first world of Genetics is free. PRO opens the other 44 lessons in 7 worlds — simulations, quizzes and all.

  • Seen and eaten: selection by predators
  • Chance without selection: genetic drift
  • Clean air: reversing the trend
PRO includes
  • All 26 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

Unlock GeneticsTry the free world
← Clean air: reversing the trend

Report a mistake

What is wrong?
0 / 2000 · at least 10 characters
Sent along with your report
  • Page
  • About No variation, nothing to select — Genetics · genetics/selection-variation
Plus your browser type. Reports go to our support system; see the privacy notice.