EENS1300 Earth as Living Planet Tulane University Exam 1 Questions With 100% Correct Ans..

a population is defined as: a. organisms that live together b. organisms of the same species that live in the same area at the same time c. a croup of similar organisms whose members interbreed with one another d. all of the organisms that live together in an area, plus the physical environment that they live in e. all organisms at a given trophic level within a particular community - b a scientific theory is: a. the same thing as a scientific law b. different from a scientific law in that theories are often represented by an equation c. often developed by the work of one or two brilliant, individual scientists d. unlike a hypothesis in that a theory can't be falsified e. none of the above - e an organism's role or lifestyles within the structure of an ecosystem is its trophic level - f chemicals in ( ) have long residence times, and chemicals in ( ) have short residence times. a. reservoirs, compartments b. exchange pools, reservoirs c. reservoirs, exchange pools d. compartments, reservoirs e. exchange pools, compartments - c energy enters almost all ecosystems as:a. mechanical energy b. chemical energy c. nuclear energy d. radiation e. none of these - d eutrophication is: a. the conversion of organic nitrogen to inert nitrogen by microbial activity b. the accumulation of phosphorous in the atmosphere c. excessive loading of phosphorous and nitrogen in a body of water d. common in freshwater pongs (i.e Audubon park) but are rare along coastlines e. c and d - c evolution and natural selection are the same thing - f gamma waves are an example of shortwave radiation, while radio waves are longwave - t green anoles were forced out of their established habitat of trees, plants, fences etc. by invasive brown anoles. the green anoles had to find new habitats in wetlands and tree crowns. this illustrates the concept of: a. mutualism b. keystone species c. realized niche d. parasitism e. a and c - c