40

Lesson 40 of 84 ยท Ecosystems

Lessonโญ 30 XP๐ŸŒฟ Wild Jungle

Succession: How Ecosystems Change

๐ŸงชLab Brief #40

Ecosystems.

๐ŸŽฏ Your mission

Learn the rule. Then catch nature using it.

โšก The twist

What the body does in one minute is wilder than any cartoon.

๐Ÿคฏ

Mind = Blown

๐Ÿฆ  You have more bacterial cells in your body than human cells.

๐Ÿ”ฎ

Make a hypothesis first

Guess: how does the body solve this problem?

What You'll Learn

All living things share basic characteristics: they grow, reproduce, respond to their environment, and need energy to survive. Plants make their own food through photosynthesis, while animals must eat other organisms.

Key Words

  • parasite
  • cell
  • nucleus

Steps

Step 1 โ€” Read

Study the diagram and label the parts you recognize.

Step 2 โ€” Do

Model natural selection: scatter colored paper scraps on grass. Time how long it takes a partner to pick up each color. Which color survived longest? Why?

Step 3 โ€” Observe

Draw a detailed diagram of what you observe.

Step 4 โ€” Record

Write a conclusion: what did your results show? Did they match your prediction?

Check Your Understanding

Question 1

1 of 3

What is a habitat?

๐ŸŒ

Where you see this in real life

Your own body is doing this thousands of times every second.

๐Ÿ†

Stretch Challenge

Try this in real life this week.

Find one thing about your body that's different from a friend's. Wonder why.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œTell me something you noticed about your own body today.โ€

๐ŸŽฏ

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

๐ŸŒก๏ธShare card

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Send it to a parent who's looking for a 10-minute kitchen science win.

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Checkout complete lesson on Ecosystems for 7th Grade

Get the full Ecosystems track as a printable PDF โ€” all lessons, worksheets, and answer keys.

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