B1.1 assess positive and negative impacts of human activities on habitats and communities, while taking different perspectives into account

B1.2 analyse the impact of the depletion or extinction of a species on its habitat and community, and describe possible actions to prevent such depletions or extinctions

B2.1 describe the distinguishing characteristics of different groups of organisms, and use these characteristics to further classify these organisms using a classification system

B2.2 demonstrate an understanding of biodiversity as the diversity of life on Earth, including the diversity of organisms within species, among species in a community, and among communities and the habitats that support them

B2.1 explain that an ecosystem is a network of interactions among living organisms and their environment

B2.2 identify biotic and abiotic components in an ecosystem, and describe the interactions between them

B2.3 describe roles and relationships between producers, consumers, and decomposers within an ecosystem

E2.2 demonstrate an understanding of a watershed, and explain its importance to water management and planning

E2.3 explain how human activity and natural phenomena cause changes in the water table

B2.2 explain how naturally occurring phenomena, including the cycling of matter and the flow of energy, contribute to the dynamic equilibrium within and between ecosystems

B2.4 investigate factors and processes, including biodiversity, air and water quality, soil health, and succession, and explain how they contribute to ecosystem sustainability

B2.3 use proper sampling techniques to collect various organisms from a marsh, pond, field, or other ecosystem, and classify the organisms according to the principles of taxonomy

B2.4 create and apply a dichotomous key to identify and classify organisms from each of the kingdoms