Ecology Final Exam Questions with Complete Solutions (Latest 2025) scientific study of interactions among organisms and between organisms and their environment - Correct Answers ✅Ecology A population or group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring - Correct Answers ✅Species a species that influences the survival of many other species in an ecosystem - Correct Answers ✅Keystone species those species in a community that are the most abundant or that collectively have the highest biomass - Correct Answers ✅dominant species A discrete event that disrupts an ecosystem or community.Examples of natural disturbances include fires, hurricanes, tornadoes, droughts, and floods. Examples of human-caused disturbances include deforestation, overgrazing, and plowing.
- Correct Answers ✅Disturbance
an ecological succession that begins in an area where no biotic community previously existed - Correct Answers ✅primary succession succession on a site where an existing community has been disrupted - Correct Answers ✅secondary succession 1 / 3
Ecology Final Exam Questions with Complete Solutions (Latest 2025) the extinction of a species from specific geographic areas - Correct Answers ✅extirpation disappearance of a species from all parts of its geographical range - Correct Answers ✅extinction synthesis of organic materials by green plants using the energy captured in photosynthesis - Correct Answers ✅primary productivity The rate at which consumer convert chemical energy from their food into their own biomass - Correct Answers ✅secondary productivity Gross primary productivity - Correct Answers ✅GPP The Gross Primary Productivity minus the respiration rate of autotrophs is equal to - Correct Answers ✅NPP the vairety of organisms considered at all levels from populations to ecosystems. - Correct Answers ✅biodiveristy 2 / 3
Ecology Final Exam Questions with Complete Solutions (Latest 2025) the amount of oxygen needed by microorganisms to decompose biological wastes into carbon dioxide, water, and minerals. - Correct Answers ✅biological oxygen demand rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water - Correct Answers ✅acid precipitation all gains of incoming energy and all losses of outgoing energy in a system (Earth) - Correct Answers ✅energy budgets Single Large or Several Small. A reserve should be large enough to support viable populations of endangered species, keep ecosystems intact, and isolate critical core areas from external forces - Correct Answers ✅SLOSS odorless chemicals that serve as social signals to members of one's species - Correct Answers ✅pheromones An increase in biological productivity and ecosystem succession caused by human activities. - Correct Answers ✅cultural eutrophication process by which heat is trapped by gasses in earth's atmophere - Correct Answers ✅green house effect
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