Lesson 26 of 84 · Ecosystems
Experiment⭐ 30 XP🌿 Wild JungleCoral Reef Communities
Ecosystems.
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Every species solves the same problem differently.
Mind = Blown
🐙 An octopus has 9 brains and 3 hearts.
Make a hypothesis first
Before you watch: what do you think it'll do?
What You'll Learn
Seeds contain a tiny plant embryo and a food supply. When conditions are right—enough water, warmth, and oxygen—the seed germinates and a new plant begins to grow.
Key Words
- evolution
- adaptation
- fossil record
Materials Needed
- soil
- cups
- water
- plastic wrap
- ruler
- magnifying glass
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
Read about Ecosystems and write down three key facts.
Create a detailed food web for a local ecosystem. Include at least 8 organisms and use arrows to show energy flow from producers to top predators.
Draw a detailed diagram of what you observe.
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What is an adaptation?
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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Checkout complete lesson on Ecosystems for 7th Grade
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