Environmental Science (EXAM QUESTIONS) with complete solutions

Environmental ethics is described by these terms correct answer: Ecocentrism, anthropocentrism, and biocentrism Ecological footprint correct answer: A measurement of the total area of Earth's biologically productive surface that a given person or population "uses" once all direct and indirect impacts are totaled up Environmental science correct answer: the scientific study of how the natural world works, how our environment affects us and how we affect the environment Natural selection correct answer: Inherited characteristics that enhance survival and reproduction are passed on more frequently to future generations than characteristics that do not, thereby altering the genetic makeup of populations through time. artificial selection correct answer: Microevolution correct answer: evolutionary change within a species or small group of organisms, especially over a short period of time Charles Darwin and Alfred Russel Wallace were the first to propose the concept of: correct answer: Natural selection Community ecology correct answer: focuses on patterns of species diversity and on interactions among species, ranging from one-to-one interactions up to complex interrelationships involving the entire community Ecosystem ecology correct answer: encompass living biotic communities and the abiotic (non-living) materials carrying capacity correct answer: Limiting factors that determine the maximum population size of a species that a given environment can sustain Madidi National Park is located in what country? correct answer: Bolivia Keystone species correct answer: What is the most commonly recognized "best treatment" for dealing with invasive species? correct answer: prevention is the cure trophic levels correct answer: as organisms feed on another, matter and energy move through the community from one level to another secondary ecological succession correct answe