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Ecosystem Beginnings Worksheet

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Ecosystem Beginnings Worksheet

Explore how living things and other parts of nature connect in a New Zealand forest ecosystem. Read the field notes and use them to solve the challenges. Write in complete sentences where asked.

Field notes: the Kōwhai Creek forest

After rain, sunlight reaches a patch of forest beside Kōwhai Creek. A kōwhai tree grows near the stream. Tūī drink nectar from its flowers and carry pollen between flowers. Kererū eat fruit from nearby trees and spread some seeds in their droppings. Wētā hide beneath fallen logs and eat leaves. Earthworms break down dead leaves in the damp soil. Fungi also break down dead material. The creek provides water, while rocks, air, soil and sunlight are parts of this ecosystem that are not alive.

1 | Spot the ecosystem parts

Use the field notes. Classify each item as living or not alive. Write L or N beside each one.

1.Kōwhai tree
2.Sunlight
3.Earthworm
4.Rocks
5.Choose the best definition of an ecosystem.
  • All the animals living in one place
  • Living things, non-living parts and the connections between them in an area
  • Only the weather and rocks in an area
  • A group of plants that are all the same kind

2 | Follow the connections

Each question uses a relationship described in the field notes. Explain your thinking.

6.A tūī visits kōwhai flowers for nectar and carries pollen between flowers. What does the tūī get, and how can the tree benefit?
7.Kererū eat fruit and spread some seeds in their droppings. Name one way this interaction may help the forest.
8.Earthworms and fungi break down dead leaves. How does this help the forest soil or plants?
9.A dry spell leaves the creek low and the soil less damp. Give one possible effect on a living thing in this ecosystem and explain why.
10.Imagine there are suddenly far fewer kererū. Predict one possible change in the forest, using the field notes to support your idea.
11.Complete the idea: In an ecosystem, living things depend on other living things and on parts of their environment.
12.Choose the example that shows competition.
  • Two tūī trying to use the same nesting place
  • A tūī drinking nectar from a flower
  • Rain soaking into the soil
  • Fungi breaking down a fallen leaf
13.Why might looking after a forest ecosystem help both plants and animals? Give one reason.

3 printable pages

  • Ecosystem Beginnings Worksheet, page 1 of 3: Field notes: the Kōwhai Creek forest, 1 | Spot the ecosystem parts

    Page 1

  • Ecosystem Beginnings Worksheet, page 2 of 3: 2 | Follow the connections

    Page 2

  • Ecosystem Beginnings Worksheet, page 3 of 3: 10. Imagine there are suddenly far fewer kererū . Predict one possible change in the…

    Page 3

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