Lesson 71 of 84 ยท Ecosystems
Lessonโญ 30 XP๐ฟ Wild JungleProducers, Consumers, and Decomposers (Part 2)
Ecosystems.
๐ฏ Your mission
Understand the idea. Then look for it everywhere.
โก The twist
Every species solves the same problem differently.
Mind = Blown
๐ 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
Wetlands like marshes and swamps filter water, prevent flooding, and provide habitat for many species. They are among the most productive ecosystems on Earth.
Key Words
- fossil record
- species
- heredity
Steps
Study the diagram and label the parts you recognize.
Compare the skeletal structures of a bird wing, human arm, and whale flipper using diagrams. Identify homologous bones and write what this tells us about common ancestry.
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 happens to energy as it moves up a food chain?
Where you see this in real life
Your own body is doing this thousands of times every second.
Stretch Challenge
Try this in real life this week.
Find one thing about your body that's different from a friend's. Wonder why.
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 7th Grade
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