Want more practice? Check out these practice problems: https://www.teacherspayteachers.com/Product/10-Rule-Practice-Activity-for-Environmental-ScienceBiology-with-Key-12081758
And the study guide for this AP Environmental Science Unit: https://www.teacherspayteachers.com/Product/AP-Environmental-Science-APES-Populations-Study-GuideSub-Plans-with-Key-12071808