22

Lesson 22 of 84 · Evolution

Experiment

DNA: The Code of Life (Part 2)

What You'll Learn

Evolution

Key Words

evolution
adaptation

Materials Needed

slides
onion skin
iodine stain
paper
colored pencils

Safety First

Dispose of materials properly after the experiment.
Handle glass items carefully to avoid breakage.

Steps

Step 1 — Read

Step 2 — Do

Step 3 — Observe

Step 4 — Record

Step 5 — Read

Check Your Understanding

Question 1

1 of 2

What does DNA stand for?