BYU Bio. 100 w/ Froerer--Final Study Set Questions And Answers ALL Verified

BYU Bio. 100 w/ Froerer--Final Study Set Questions And Answers ALL Verified 1) Organism- an individual animal, plant, or single-celled life form. This level involves: Survival and Reproduction; is a Unit of Natural Selection 2) Population- the number of organisms of the same species that live in a particular geographic area at the same time, with the capability of interbreeding. This level involves: Pop. Dynamics; is a Unit of Evolution) 3) Community- an interacting group of various species in a common location. This level involves: Interactions Among Populations 4) Ecosystem- a biological community of interacting organisms and their physical environment. This level involves: Energy Flux (flow) and Cycling of Nutrients 5) Biosphere- the regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms. This level involves: Global Processes - Correct Ans-What are the different levels of ecological organization? (order smallest to largest) Opportunistic Population - Correct Ans-• Fluctuating/unpredictable environments • Rapid population growth Ex. of species type: Insects, weeds Pattern: -small individuals -short lifespan -fast to mature -many offspring -little or no care of offspring Equilibrium Population - Correct Ans-• Stable/predictable environments • Population numbers prescribed by a carrying capacity • Phenotypes best suited to environment (good competitors) Ex. of species type: Large mammals, long lived plants Pattern: -large individuals -long lifespan -slow to mature -few and large offspring -much care of offspring 1) Restricted Geographic Range 2) Narrow Habitat Tolerance 3) Small Local Populations - Correct Ans-What are the three variables taken into account to determine the degree of vulnerability for an equilibrium species? CONTINUES...