Ducks Unlimited Review Questions and Answers 2025

Ducks Unlimited Review Questions and Answers 2025 ecology - study of the relationship between an organism and its environment deciduous - sheds its leaves annually coniferous - having leaves that don't fall off in the winter; "cone-bearing" biosphere - sum of surfaces, atmosphere, and hydrosphere tropical biome - biome: most diverse; no seasonal climate; wet and dry seasons temperate biome - biome: deciduous & coniferous forests; seasonal climate taiga biome - biome: northernmost forests; seasonal climate; long winters, short summers, mainly coniferous grassland biome - dominated by grasses & almost no trees or shrubs temperate grassland - grassland found in temperate climates tropical grasslands - grassland found in hot climates wetland biome - biome dominated by aquatic vegetation and poorly draining soils bog - wetland that accumulates dead plant material swamps - wetland dominated by trees and saturated soil communities - assemblage of different populations of flora and fauna in an area 2 | P a g e Author: Katelyn Whitman. ©2025, All Rights Reserved. population - group of organisms of the same species occupying a specific space at the same time organisms - individual member producer - organism that can produce food or biomass through photosynthesis consumers - organisms that obtain food & energy by consuming other organisms photosynthesis formula (in words) - carbon dioxide + water = glucose + oxygen mutualism - both species benefit commensalism - one species benefits, one is unaffected predation - one species kills another for food competition - struggle between two organisms for the same resource evaporation - transformation of liquid to gas transpiration - plants release water vapor during photosynthesis & respiration producers CAPTURE carbon - producers ________ carbon from the atmosphere for photosynthesis nitrogen fixation - nitrogen is converted into a (more reactive) nitrogenous compound; performed by legumes, algae, lightning, and certain bacteria plants ABSORB phosphorus - plants ______ phosphorus through roots ecological succession - process when ecosystems advance towards climax community climax community - community in which populations are balanced & stable; final stage of succession pioneer species - first species to arrive in a new environment primary succession - - rock is exposed from disturbance (ex volcano, glacier) 3 | P a g e Author: Katelyn Whitman. ©2025, All Rights Reserved. - erosion converts rock to soil - pioneer species: lichen - first plants begin growing secondary succession - - soil where other communities once thrived is exposed from disturbance (ex fire, flood, ag development) - pioneer plants pioneer - etc ...Environmental Protection Agency (EPA) - air quality is monitored by... ...EPA or states - water quality is monitored by... ...all wildlife except - migratory birds - marine fish - endangered species - state wildlife agencies manage... ...migratory birds, marine fish, and endangered species - federal go