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DNA evidence for evolution
Use DNA and protein comparisons to judge relatedness and interpret evolutionary trees.
⏱ 19 min❓ 9 questions
What you'll be able to do
- ✔I can explain why DNA and protein similarities indicate how closely species are related
- ✔I can use sequence differences to rank species by relatedness
- ✔I can interpret an evolutionary tree by finding the most recent common ancestor
How this works
- 1Read the short explanations first — they teach you what you need before each question.
- 2Answer each question, then tap Check. A right answer moves you on automatically; if it's wrong, you'll see a friendly explanation of why.
- 3Finish all 3 steps to see your score — sign in and subscribe to unlock the full lesson and save it.
What's inside
9 questions and 1 quick teaching card, including:
- 🔘Multiple choice — Tap the answer you think is best, then check it.
- ↕️Put in order — Use the up and down arrows to sort the steps.
👪Grown-up tip: sit alongside younger learners for the first few lessons. Read the questions together and chat about the explanations — that's where the real learning sticks.
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Curriculum: AC9S10U02, AC9S10U01