• Unit 1 Practice Test
• Unit 2 Practice Test
• Unit 3 Practice Test
• Unit 4 Practice Test
• Unit 5 Practice Test
• Unit 6 Practice Test
• Unit 7 Practice Test
• Unit 8 Practice Test
• Unit 9 Practice Test

• Full-Length Exam

AP Environmental Science Unit 1 Practice Test: The Living World – Ecosystems

Below is our AP Environmental Science unit 1 practice test. It covers the interdependent systems found on our planet, such as the carbon and water cycles. Students learn that the planet is a balanced and closed system where nutrients must move from various sinks and sources to allow life to flourish.