Lesson 48 of 84 ยท Ecosystems
Lessonโญ 30 XP๐ฟ Wild JungleDecomposers: Nature's Recyclers (Part 2)
Ecosystems.
๐ฏ Your mission
Master the concept. Use it tomorrow.
โก The twist
What the body does in one minute is wilder than any cartoon.
Mind = Blown
๐ An octopus has 9 brains and 3 hearts.
Make a hypothesis first
Guess: how does the body solve this problem?
What You'll Learn
Decomposers like fungi and bacteria break down dead organisms and return nutrients to the soil. Without decomposers, dead material would pile up and nutrients would be locked away.
Key Words
- consumer
- decomposer
- food web
Steps
Look at the vocabulary words and write a definition for each in your own words.
Collect and classify 10 organisms from your yard into kingdoms, phyla, or groups. Use a dichotomous key if available.
Note any unexpected results and think about why they happened.
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3Which stage comes after a caterpillar in metamorphosis?
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
โTell me something you noticed about your own body 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.
Checkout complete lesson on Ecosystems for 4th Grade
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