80
Lesson 80 of 84 ยท Ecosystems
ExperimentPlant Roots and Their Jobs (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
- ecosystem
Materials Needed
- ruler
- magnifying glass
- paper towels
Safety First
- Do not mix unknown chemicals together.
- Tie back long hair before starting the experiment.
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?
