Natural Selection: Survival of the Fittest (Part 4)

What You'll Learn

Adaptations develop over many generations through natural selection. Structural adaptations (like thick fur), behavioral adaptations (like migration), and physiological adaptations (like venom production) all help survival.

Key Words

meiosis
trait

Materials Needed

tape
index cards
markers
ruler
scissors

Safety First

Dispose of materials properly after the experiment.
Handle glass items carefully to avoid breakage.
Do not mix unknown chemicals together.

Steps

Step 1 — Read

Read and learn: Adaptations develop over many generations through natural selection. Structural adaptations (like thick fur), behavioral adaptations (like migration), and physiological adaptations (like venom production) all help survival.

Step 2 — Do

Compare your results with a partner.

Step 3 — Observe

Observe what happens and describe it in detail.

Step 4 — Record

Record your observations in your science journal.

Check Your Understanding

Question 1

1 of 3

What is selective breeding?