Lesson 27 of 84 · Structure and Function
Lesson⭐ 30 XPBiomes of the World
Structure and Function.
🎯 Your mission
Learn the rule. Then catch nature using it.
⚡ The twist
Nature loves to surprise the careful watcher.
Mind = Blown
🔬 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
Animals can be classified as herbivores (plant eaters), carnivores (meat eaters), or omnivores (eating both plants and animals). Their teeth and digestive systems are adapted to their diet.
Key Words
- species
- organism
- habitat
Steps
Look at the vocabulary words and write a definition for each in your own words.
Dissect a flower (lily or tulip works well). Identify and label the sepals, petals, stamen, pistil, and ovary. Tape each part to paper.
Compare the before and after states.
Write your conclusion: did the results match your hypothesis? What would you change next time?
Check Your Understanding
Question 1
1 of 3What organism produces food at the base of most food chains?
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 — even a tiny one.
For the dinner table
“What's the most surprising thing you learned today?”
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.
Checkout complete lesson on Structure and Function for 4th Grade
Get the full Structure and Function track as a printable PDF — all lessons, worksheets, and answer keys.