ECON 103 Lecture Notes - Lecture 7: Endangered Species Act Of 1973, The Control Group, Humus
Document Summary
The firs t is low ge ne tic va ria bility, which is de fine d a s the a mount of ge ne diffe re nce in a ce rta in popula tion. Two s e rvice s provide d to the huma ns by the e cos ys te m provis ion of timbe r for fue l a nd cons truction. Gra s s la nds the othe r biome tha t is na tura lly ma inta ine d by fire . Ma rine ma mma l p rote ction act- us e d in the prote ction a nd cons e rva tion of ma rine. In this type s ound wa ve s a re us e d to loca te fis h or e na ble fis he rs ha ve a look a t the bottom. Na tiona l fore s ts /na tiona l pa rks -
