67

Lesson 67 of 84 · Ecosystems

Experiment

Coral Reef Communities (Part 2)

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

  • photosynthesis
  • decomposer

Materials Needed

  • paper towels
  • markers
  • tape
  • small pots

Safety First

  • Wash hands after handling materials.
  • Be careful with scissors — ask an adult for help if needed.
  • Do not look directly at the sun or bright lights.

Steps

Step 1Read

Read about Ecosystems and write down three key facts.

Step 2Do

Create a detailed food web for a local ecosystem. Include at least 8 organisms and use arrows to show energy flow from producers to top predators.

Step 3Observe

Draw a detailed diagram of what you observe.

Step 4Record

Write a conclusion: what did your results show? Did they match your prediction?

Check Your Understanding

Question 1

1 of 3

What is an adaptation?