Aquatic ecosystems: Freshwater, marineAquatic ecosystems are water-based ecosystems where organisms interact with the aquatic environment.They are classified into freshwater and marine ecosystems based on salinity levels.Freshwater…
Terrestrial ecosystems: Forests, grasslands, desertsTerrestrial ecosystems are land-based ecosystems where organisms interact with the environment.These ecosystems are influenced by climatic factors such as temperature, rainfall, and sunlight.…
Food chains, food webs, and ecological pyramidsA food chain is a linear sequence of organisms through which energy and nutrients flow in an ecosystem.Food chains start with producers, such as plants, which convert solar energy into chemical…
Functions of ecosystems: Energy flow, nutrient cyclingEcosystems perform essential functions that sustain life on Earth.Two primary functions of ecosystems are energy flow and nutrient cycling.Energy flow refers to the transfer of energy through…
Definition and structure: Producers, consumers, decomposersAn ecosystem is a community of living organisms interacting with each other and their non-living environment.The term "ecosystem" was first introduced by A.G.
Relationship between environment and societyThe environment and society share a dynamic and interdependent relationship.Society depends on the environment for resources such as water, air, food, and energy.The environment influences human…
Components of the environment: Biotic and abioticThe environment consists of two primary components: biotic and abiotic.Biotic components refer to all living organisms in the environment.Abiotic components include non-living physical and chemical…
Interdisciplinary nature of environmental studiesEnvironmental Science is inherently interdisciplinary, combining multiple fields of study.It draws from natural sciences like biology, chemistry, physics, and geology.Includes aspects of social…
Definition and scope of environmental scienceEnvironmental Science is the study of interactions between the physical, chemical, and biological components of the environment.It integrates knowledge from various disciplines like biology,…