26

Lesson 26 of 84 · Ecosystems

Experiment

Coral Reef Communities

What You'll Learn

Seeds contain a tiny plant embryo and a food supply. When conditions are right—enough water, warmth, and oxygen—the seed germinates and a new plant begins to grow.

Key Words

  • species
  • organism
  • habitat

Materials Needed

  • cotton balls
  • zip-lock bags
  • labels
  • seeds
  • soil
  • cups

Safety First

  • Protect your work surface with newspaper or plastic.
  • Adult supervision recommended.

Steps

Step 1Read

Read and learn: Seeds contain a tiny plant embryo and a food supply. When conditions are right—enough water, warmth, and oxygen—the seed germinates and a new plant begins to grow.

Step 2Do

Follow the procedure carefully, step by step.

Step 3Observe

Draw a picture of what you observe.

Step 4Record

Answer the questions based on your data.

Check Your Understanding

Question 1

1 of 3

What is an adaptation?