Practice Population Size (N) - 2.2 | ๐Ÿ“˜ Chapter: Population Dynamics | IB MYP Class 10 Sciences (Group 4)- Environmental Science
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define 'Population Size'.

๐Ÿ’ก Hint: Think about what it represents in ecology.

Question 2

Easy

What does Natality refer to?

๐Ÿ’ก Hint: Consider how new individuals are added to a population.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does 'Population Size (N)' refer to?

  • A. Total number of individuals in an ecosystem
  • B. Total number of individuals in a population
  • C. Total area a population occupies

๐Ÿ’ก Hint: Focus on the definition of population size.

Question 2

True or False: High natality always leads to an increase in population size.

  • True
  • False

๐Ÿ’ก Hint: Think about the balance of births and deaths.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A protected wildlife area shows a population of 100 elk. After a successful breeding season, 40 elk are born, but 10 die due to predation, and 5 migrate to a different area. Calculate the new population size.

๐Ÿ’ก Hint: Consider how breeding increases numbers and predation and emigration decrease them.

Question 2

Discuss how urbanization impacts local wildlife populations in terms of immigration and emigration. What could be the long-term effects?

๐Ÿ’ก Hint: Think about how animals might react to changes in their habitat.

Challenge and get performance evaluation