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Ecosystem Organization Quiz

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Ecosystem Organization Quiz

A dry summer has changed a meadow’s water supply. Use the information below to identify levels of ecosystem organization and predict how organisms interact when resources are limited. Answer every question; use evidence from the meadow scenario when asked.

Meadow Field Notes

The meadow contains one rabbit named Clover, many other rabbits, grasses, wildflowers, bees, hawks, and soil organisms. Rabbits eat grasses; bees get nectar from flowers and pollinate them; hawks hunt rabbits. Sunlight, soil, air, and water are also part of the meadow. After a dry summer, the small pond shrinks. Grasses grow less, and rabbits and bees must search farther for food and water.

Part A: Sort the Levels

Remember: an organism is one individual; a population is one species in an area; a community includes all the living populations; an ecosystem includes living things and nonliving surroundings.

1.Which sequence correctly orders ecological organization from smallest to largest?
  • Community → organism → ecosystem → population
  • Organism → population → community → ecosystem
  • Population → organism → community → ecosystem
  • Organism → ecosystem → population → community
2.Clover, one individual rabbit in the meadow, is an example of which level?
3.All the rabbits living in this meadow at the same time make up a what?
4.Select every item that is a biotic (living or once-living) factor in the meadow.
  • Wildflowers
  • Sunlight
  • Bees
  • Water
  • Soil organisms
5.All the meadow’s living populations together form the meadow’s what?

Part B: Follow the Connections

Use the field notes to reason about interactions and resources.

6.A hawk catches and eats a rabbit. What kind of interaction is this?
  • Competition
  • Predation
  • Pollination
  • Mutualism
7.If rabbits and bees both need water that has become scarce, what may happen as they seek this limited resource?
8.Complete the cause-and-effect chain: Less water → fewer grasses → less food for .
9.True or false? The meadow ecosystem includes sunlight, water, and soil as well as living organisms.
TrueFalse
10.Explain one way a drop in grass growth could affect another part of the meadow community. Give a linked cause and effect.
11.A group proposes protecting the pond’s water during dry months. Explain why managing this resource could help more than one meadow population.

2 printable pages

  • Ecosystem Organization Quiz, page 1 of 2: Meadow Field Notes, Part A: Sort the Levels

    Page 1

  • Ecosystem Organization Quiz, page 2 of 2: Part B: Follow the Connections

    Page 2

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