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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a positive value of r indicate?
💡 Hint: Think about what happens when births exceed deaths.
Question 2
Easy
What is the formula for calculating growth rate?
💡 Hint: Remember to include both immigration and emigration.
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 is the formula used to calculate growth rate?
- r = births - deaths
- r = (births + immigration) - (deaths + emigration)
- r = births + (deaths - immigration)
💡 Hint: Remember to include immigration and emigration in the equation.
Question 2
True or False: A negative growth rate means the population is increasing.
- True
- False
💡 Hint: Think about what 'negative' signifies in this context.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A population of frogs has 200 births, 30 immigrants, 100 deaths, and 10 emigrants. Calculate r and discuss its ecological implications.
💡 Hint: Break down the problem into its components.
Question 2
Analyze how two different species (e.g., rabbits vs. elephants) exhibit different reproductive strategies affecting their growth rate.
💡 Hint: Consider how resource availability impacts these strategies.
Challenge and get performance evaluation