Grade 9 Evolution & Classification Quiz

A free Grade 9 Evolution & Classification quiz. Play without signing up; sign in to save your score.

Grade 9 gradeScience subjectFree quiz

Grade 9 evolution treats natural selection, genetic drift, gene flow, and speciation as mechanisms that change allele frequencies. Students use fossils, homology, and molecular sequences as evidence, and they read a simple phylogenetic tree. Individuals do not evolve; populations do.

The Grade 9 Evolution & Classification quiz is free to play without signing up. Sign in to save scores. Classic has a timer; Trivi gives three hearts; Learn is untimed with no score.

What you practice

These are the Grade 9 Evolution & Classification skills this quiz is built around.

Distinguish natural selection from genetic drift and from gene flow.
Use homologous structures or DNA similarity as evidence of common ancestry.
Read a branching diagram to tell which groups share a more recent common ancestor.

A useful tip

Genetic drift is random change in allele frequency, strongest in small populations. Selection is nonrandom: some heritable traits systematically leave more offspring.

Frequently asked questions

What does Grade 9 Evolution & Classification practice?

Practice includes: Distinguish natural selection from genetic drift and from gene flow; Use homologous structures or DNA similarity as evidence of common ancestry; Read a branching diagram to tell which groups share a more recent common ancestor.

Is the Grade 9 Evolution & Classification quiz free?

Yes. This quiz is free to play without signing up. Sign in to save your scores and progress.

What game modes can I use?

Classic has a timer; Trivi gives three hearts; Learn is untimed with no score.