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Abiotic and Biotic
| Term | Definition |
|---|---|
| Organisms | an individual living system—such as a plant, animal, fungus, or microorganism—that functions as an independent unit and interacts directly with its surrounding abiotic (non-living) and biotic (living) environment |
| Populations | an individual living system—such as a plant, animal, fungus, or microorganism—that functions as an independent unit and interacts directly with its surrounding abiotic (non-living) and biotic (living) environment |
| Community | a group of different species populations living and interacting in the same shared area at the same time |
| Biotic | any living component or anything derived from a living organism that shapes or influences an ecosystem |
| Abiotic | the non-living physical and chemical elements of an ecosystem that shape and influence living organisms and the environment |
| Biotic Factor | A living organism that shapes its environment |
| Abiotic Factor | A non-living physical or chemical element that shapes its environment |
| Carrying Capacity | the maximum number of individuals of a specific species that an ecosystem can support indefinitely without harming or degrading the natural habitat |
| Limiting Factors | any environmental condition or resource that restricts the growth, abundance, or distribution of an organism or a population within an ecosystem |
| Competition | an ecological interaction where organisms or species vie for the same limited resources in an ecosystem |
| Predator-prey Relationship | an ecological interaction where one organism (the predator) kills and consumes another organism (the prey) for energy and nutrients |
| Parasitism | an ecological relationship between two different species where one organism (the parasite) benefits by obtaining nutrients or shelter from another organism (the host), which is harmed in the process. |
| Disease | a medical condition caused, worsened, or triggered by exposure to physical, chemical, biological, or social factors in the external environment |
| Human Activities | any intentional or unintentional actions taken by people that modify, disrupt, or transform natural environmental systems and ecosystems |
| Water | a vital, polar inorganic compound (H₂O) composed of two hydrogen atoms and one oxygen atom that acts as the fundamental medium, solvent, and life-support driver for Earth's ecosystems |
| Sunlight | the total spectrum of electromagnetic radiation emitted by the Sun and filtered through Earth's atmosphere, serving as the primary energetic driver for virtually all surface-level environmental and ecological processes. |
| Soil | the unconsolidated mineral or organic material on the immediate surface of the Earth that serves as a natural medium for the growth of land plants and functions as a dynamic interface between the Earth's systems |
| Temperature | a measure of the average kinetic energy (motion) of atoms and molecules within a system, representing the degree of hotness or coldness of environmental components like air, water, or soil. |
| Changing Conditions | any shift or alteration in the physical, chemical, or biological components of an ecosystem or the planet over time. |