Which term refers to a boundary zone where ecosystems mix?

• A. Landscape Ecology
• B. Conservation Biologists
• C. Ecotones
• D. Nutrient Cycles

Answer: (C)

Ecotones are the boundary zones where ecosystems mix. They form where two distinct habitats, such as forest and grassland, meet or overlap, creating a transition area with a blend of environmental conditions—different light, moisture, soils, and microclimates. Because these conditions combine from both ecosystems, ecotones often support species from either side and can host unique communities and interactions not found deep inside either ecosystem. They’re also often more sensitive to environmental change and can serve as important indicators of ecosystem health and connectivity.

Other terms don’t describe a boundary zone. Landscape ecology is the study of spatial patterns and processes across large areas, not the boundary itself. Conservation biologists are researchers and practitioners focused on protecting species and habitats, not a type of ecosystem boundary. Nutrient cycles refer to the movement of elements like carbon and nitrogen through systems, not the place where ecosystems meet.