72

Lesson 72 of 84 ยท Ecosystems

Experiment

Wetland Ecosystems (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

  • fossil record
  • species

Materials Needed

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

Safety First

  • Adult supervision recommended.

Steps

Step 1 โ€” Read

Read about Ecosystems and write down three key facts.

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

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

What is pollination?

Wetland Ecosystems (Part 2) โ€” Ecosystems | 7th Grade Science | LittleActivity | LittleActivity