Bio 100 Exam 1 2024 Verified Answers

dN/dt=rN {Ans: exponential}For most ecosystems __________ is (are) the ultimate source of energy, and energy leaves the ecosystem in the form of __________. {Ans: sun, heat}what is an example of pprinciple of competition exclusion? {Ans: Two species with identical ecological niches cannot coexist in the same habitat for an extended period, as one will eventually outcompete the other}In terms of the hierarchical organization of life, a bacterium is at the ___ of organization, whereas a human is at the ____ of organization {Ans: single-celled level, multicellular level}Which of the following properly links the nutrient to its natural reservoir? {Ans: Phosphorus - sedimentary rock}A population of white-footed mice becomes severely overpopulated in a habitat that has been disturbed by human activity. Sometimes intrinsic factors cause the population to increase in mortality and lower reproduction rates in reaction to the stress of overpopulation. What is an example of intrinsic population control? {Ans: females undergo hormonal changes that delay sexual maturation and many individuals suffer depressed immune systems and die due to stress of overpopulatio}