Lesson 28 of 84 · Cells
Experiment⭐ 30 XP🌿 Wild JungleMutations and Variation (Part 2)
Mutations and Variation (Part 2).
🎯 Your mission
Predict it first. Then prove yourself right (or wrong).
⚡ The twist
Living things break the rules of non-living things — find the rule they break.
Mind = Blown
🌳 Trees can talk to each other through underground fungus networks.
Make a hypothesis first
Predict: what will happen to the plant if you change the water?
What You'll Learn
Genetic variation within a population is essential for evolution. Variation comes from mutations, sexual reproduction, and gene flow between populations.
Key Words
- trait
- dominant
Materials Needed
- index cards
- markers
- ruler
- scissors
Safety First
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
- Be careful with scissors — ask an adult for help if needed.
Steps
Review the background information on Cells before starting.
Prepare a wet-mount slide of an onion skin and observe it under a microscope (or magnifying glass). Draw and label the cell wall, cell membrane, and nucleus.
Watch carefully for any changes and note the time.
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What does DNA stand for?
Where you see this in real life
This is why plants grow toward windows and why scabs form.
Stretch Challenge
Try this in real life this week.
Watch a plant or pet for 5 minutes today and write down what you noticed.
For the dinner table
“Tell me something you noticed about your own body today.”
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