Understanding Ecosystems Quiz
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Questions and Answers

What is the term for the maximum population of organisms that can be maintained in an ecosystem?

  • Carrying capacity (correct)
  • Population threshold
  • Ecosystem limit
  • Habitat capacity

If the wolf population decreased indefinitely, what would be the most likely immediate effect on the deer population?

  • Increase due to the wolves' absence
  • No change in population
  • Increase due to increased food availability
  • Decrease due to lack of predation (correct)

Which type of growth is characterized by a rapid increase in population size until reaching the carrying capacity of the environment?

  • Exponential growth
  • Logistic growth (correct)
  • S-shaped growth
  • J-shaped growth

What happens to a bacterial population if it exceeds the carrying capacity of its environment?

<p>Starts to die off until reaching carrying capacity (C)</p> Signup and view all the answers

How does an increase in population density typically affect the survival rate of lambs in a wild sheep population living in a forest?

<p>Survival rate decreases (A)</p> Signup and view all the answers

What is the main idea of the text?

<p>Explaining different types of population graphs in an ecosystem (C)</p> Signup and view all the answers

Which term best describes the delicate balance that an ecosystem tries to maintain?

<p>Homeostasis (C)</p> Signup and view all the answers

What is the primary role of predators in an ecosystem?

<p>Maintaining population control (D)</p> Signup and view all the answers

In a predator-prey relationship, what happens to the predator population if the prey population decreases significantly?

<p>The predator population will decrease as well (B)</p> Signup and view all the answers

Which type of graph helps scientists visualize changes in a population of organisms over time?

<p>Predator-prey graph (D)</p> Signup and view all the answers

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