Lesson 46 of 84 ยท Genetics
Experimentโญ 30 XPNatural Selection: Survival of the Fittest (Part 3)
Natural Selection: Survival of the Fittest (Part 3).
๐ฏ Your mission
Predict it first. Then prove yourself right (or wrong).
โก The twist
Nature loves to surprise the careful watcher.
Mind = Blown
๐ฌ The more you look, the more nature shows you.
Make a hypothesis first
Before you start: write down what you think will happen, and why.
What You'll Learn
Adaptations develop over many generations through natural selection. Structural adaptations (like thick fur), behavioral adaptations (like migration), and physiological adaptations (like venom production) all help survival.
Key Words
- meiosis
- trait
- dominant
Materials Needed
- ruler
- scissors
- microscope (or magnifying glass)
- slides
- onion skin
Safety First
- Clean up spills immediately to prevent slipping.
- Use materials only as directed in the experiment.
- Keep small objects away from young children.
Steps
Read the introduction and identify the main idea of this lesson.
Research one genetic disorder. Create an infographic showing its cause, symptoms, and how it is inherited.
Observe what happens and describe it in detail.
Record your observations in your science journal with measurements and descriptions.
Check Your Understanding
Question 1
1 of 3What is selective breeding?
Where you see this in real life
This shows up in your everyday life more than you'd think.
Stretch Challenge
Try this in real life this week.
Try one experiment in real life this week โ even a tiny one.
For the dinner table
โWhat's the most surprising thing you learned today?โ
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
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