Lesson 21 of 84 · Life Cycles
Lesson⭐ 30 XP🌿 Wild JungleWhat Is a Mammal?
Life Cycles.
🎯 Your mission
Learn the rule. Then catch nature using it.
⚡ The twist
What the body does in one minute is wilder than any cartoon.
Mind = Blown
🦠 You have more bacterial cells in your body than human cells.
Make a hypothesis first
Guess: how does the body solve this problem?
What You'll Learn
Mammals have fur and feed milk to their babies. Dogs, cats, and humans are mammals!
Key Words
Tap a word to see its definition.
Steps
Read about Life Cycles with a partner or grown-up.
Draw a food chain: start with the sun, then a plant, then an animal that eats it, then a predator.
Watch carefully. What happens?
Draw and write about what you learned.
Check Your Understanding
Question 1
1 of 3What is a food chain?
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.”
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 Life Cycles for 2nd Grade
Get the full Life Cycles track as a printable PDF — all lessons, worksheets, and answer keys.