74

Lesson 74 of 84 ยท Ecosystems

Experiment

Insect Anatomy and Behavior (Part 2)

What You'll Learn

All living things share basic characteristics: they grow, reproduce, respond to their environment, and need energy to survive. Plants make their own food through photosynthesis, while animals must eat other organisms.

Key Words

  • producer
  • consumer

Materials Needed

  • water
  • plastic wrap
  • ruler
  • magnifying glass
  • paper towels
  • markers

Safety First

  • Protect your work surface with newspaper or plastic.
  • Adult supervision recommended.
  • Do not taste any materials.

Steps

Step 1 โ€” Read

Read the introduction and identify the main idea of this lesson.

Step 2 โ€” Do

Design a controlled experiment: grow plants under different light conditions (full sun, partial shade, no light). Water equally and measure growth daily for one week.

Step 3 โ€” Observe

Draw a detailed diagram of what you observe.

Step 4 โ€” Record

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

Check Your Understanding

Question 1

1 of 3

What is the role of a decomposer in an ecosystem?