39
Lesson 39 of 84 ยท Ecosystems
ExperimentPlant Roots and Their Jobs
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
- symbiosis
- parasite
Materials Needed
- water
- plastic wrap
- ruler
- magnifying glass
- paper towels
- markers
Safety First
- Wear safety goggles when mixing liquids.
Steps
Step 1 โ Read
Review the background information on Ecosystems before starting.
Step 2 โ Do
Collect and classify 10 organisms from your yard into kingdoms, phyla, or groups. Use a dichotomous key if available.
Step 3 โ Observe
Look for patterns in your observations.
Step 4 โ Record
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What is germination?
