Practice Population Growth (4.3.1) - Ecology - IB 12 Biology
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Population Growth

Practice - Population Growth

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is exponential growth?

💡 Hint: Think about growth when resources are not a limitation.

Question 2 Easy

Define carrying capacity.

💡 Hint: What is the largest number that can be supported without overpopulation?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the equation for exponential growth?

dN/dt = rN
dN/dt = rN(1 - N/K)
N = r*t

💡 Hint: Think about the growth rate without limitations.

Question 2

Logistic growth accounts for which of the following?

True
False

💡 Hint: Remember what happens as resources become limited.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A population of birds doubles every year in a forest that can support only 50 birds. If you start with 10 birds, how long will it take for the population to stabilize?

💡 Hint: Consider each year's growth based on doubling and the limit imposed by the carrying capacity.

Challenge 2 Hard

Describe the impact of both density-dependent and density-independent limiting factors on a deer population in two different seasons.

💡 Hint: Think about how seasons affect resource availability differently.

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Reference links

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