Worksheet: Competition in Plants

In this worksheet, we will practice describing some factors that plants in an ecosystem will compete for, and outlining what makes a plant a successful competitor.

Q1:

Complete the sentence to correctly define competition: Competition is the between organisms that often occurs when a resource is .

  • Aconflict, taken
  • Binteraction, limited
  • Cparasitism, abundant
  • Dinteraction, abundant
  • Epredation, limited

Q2:

The picture provided shows a tree with long, branching roots. Which of the following best explains how this tree adapted to outcompete other plant species?

Tree roots In the park-72ppl
  • AThe long roots allow the plant to take up large amounts of water and mineral ions from the soil.
  • BThe long roots deter herbivores from attacking and eating the plant.
  • CThe long roots are able to withstand attacks from parasites better than short roots.
  • DThe long roots allow the plant to capture the maximum amount of sunlight for photosynthesis.

Q3:

The picture provided shows a group of redwood trees. Using this picture, which of the following best explains how these trees have adapted to outcompete other plant species?

Tall Forest of Sequoias
  • ARedwoods have thinner trunks to better protect them from parasites.
  • BRedwoods have thinner leaves to allow maximum diffusion of gases.
  • CRedwoods have grown taller to maximize the amount of sunlight they capture.
  • DRedwoods have longer roots to obtain the most water.

Q4:

The picture shows a field of bluebells and daisies. The minerals in the soil of this field are in short supply. What kind of interaction will this promote between the bluebells and the daisies?

White chamomile and purple bluebells
  • ACompetition
  • BSymbiosis
  • CMutualism
  • DPredation
  • EHerbivory

Q5:

The picture provided shows a group of giant Amazon water lilies. How has this plant adapted to outcompete other plant species?

Giant Amazon water lilies
  • AThe lilies have very thin leaves to allow quick uptake of water.
  • BThe lilies produce a large amount of gas that allows them to stay afloat.
  • CThe lilies have leaves with a very large surface area to take in the maximum amount of light.
  • DThe lilies have a very green surface to attract many pollinators.

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