79

Lesson 79 of 84 ยท Ecosystems

Experiment

Animal Defenses (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

  • nutrients
  • prey

Materials Needed

  • cups
  • water
  • plastic wrap

Safety First

  • Work in a well-ventilated area when using vinegar or other strong-smelling substances.
  • Dispose of materials properly after the experiment.
  • Handle glass items carefully to avoid breakage.

Steps

Step 1 โ€” Read

Read and 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.

Step 2 โ€” Do

Measure and record your data in a table.

Step 3 โ€” Observe

Use your senses (except taste) to describe what you notice.

Step 4 โ€” Record

Write a summary of your findings in 3-5 sentences.

Check Your Understanding

Question 1

1 of 3

Which animals go through metamorphosis?

Animal Defenses (Part 2) โ€” Ecosystems | 3rd Grade Science | LittleActivity | LittleActivity