BIOEE 1610 Prelim 1 Exam Questions and answers ()

BIOEE 1610 Prelim 1 Exam Questions and answers () Hierarchical scales of ecology - Organism, population, community, ecosytem, biosphere Populations - groups of individuals that belong to the same species and live in the same area Communities - different populations that live together in a defined area Ecosystems - All the living and non-living things that interect in an area Biospehere - the part of Earth where life exists p value for statistical significance? - p<0.05 Who derived the theory of evolution by means of natural selection? - Charles Darwin, Alfred Russel Wallace Which scientist devised an orderly system for naming different organisms? - Carl Linnaeus convergent evolution - Evolution toward similar characteristics in unrelated species parallel evolution - independent evolution of similar traits, starting from a similar ancestral condition allopatric speciation - The formation of new species in populations that are geographically isolated from one another sympatric speciation - The formation of new species in populations that live in the same geographic area Assertions of natural selection - Variation is heritable, there is differential reproductive success, individuals of a population of species are not identical stabilizing selection - Natural selection that favors intermediate variants by acting against extreme phenotypes Co-evolution - Process by which two species evolve in response to changes in each other Mutualism - A relationship between two species in which both species benefit