Plant 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

nutrients
prey
ecosystem

Materials Needed

plastic wrap
ruler
magnifying glass

Safety First

Keep small objects away from young children.
Work in a well-ventilated area when using vinegar or other strong-smelling substances.
Dispose of materials properly after the experiment.

Steps

Step 1 — Read

Review the background information on Lab Skills before starting.

Step 2 — Do

Collect and classify 10 organisms from your yard into kingdoms, phyla, or groups. Use a dichotomous key if available.

Step 3 — Observe

Look for patterns in your observations.

Step 4 — Record

Make a graph or chart showing your results.

Check Your Understanding

Question 1

1 of 3

What is germination?