This document contains information about an introductory environmental science unit on ecosystems and populations, including:
- The unit questions focus on understanding the value of diversity and how resilience is achieved through diversity.
- Assessment tasks include an ecological survey lab and unit test.
- Review tasks involve quizzes on ecosystems and communities and populations.
- Several sections provide information on diversity, why it is important to measure, and challenges tracking species diversity in Brazil.
- Additional passages discuss human population reaching 7 billion and the IUCN Red List categories for threatened species.