Lesson 5 of 5 · Habitats

Experiment⭐ 30 XP🌿 Wild Jungle

Too Many or Too Few

🧪Lab Brief #5

Too Many or Too Few.

🎯 Your mission

Predict it first. Then prove yourself right (or wrong).

⚡ The twist

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

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Mind = Blown

🐙 An octopus has 9 brains and 3 hearts.

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Make a hypothesis first

Guess: how does the body solve this problem?

What You'll Learn

If foxes eat too many rabbits, some foxes go hungry and the number of foxes falls. Then the rabbits increase again. The two numbers rise and fall together, always a little out of step.

Key Words

Tap a word to see its definition.

Materials Needed

playground space
coloured bibs
notebook

Safety First

Play on a clear, flat surface and walk rather than sprint if the ground is wet.

Steps

Step 1 — Read

Read the explanation above and note the two key terms before you start.

Step 2 — Do

Play a tag game where five foxes chase twenty rabbits over five rounds. Record how many of each are left each round and draw a graph of both numbers.

Step 3 — Observe

Record what actually happened, including anything that did not match what you expected.

Step 4 — Record

Write a conclusion that answers the question this lesson opened with, and state your uncertainty.

Check Your Understanding

Question 1

1 of 2

If the number of rabbits falls, the number of foxes will probably:

How sure are you going to be?😐 maybe

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Where you see this in real life

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

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Stretch Challenge

Try this in real life this week.

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

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For the dinner table

“Tell me something you noticed about your own body today.”

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