Ecology pcb3044 - Study guides, Class notes & Summaries

What causes population cycles in hare and lynx? - Limited food supply (if population density is high) - Predation When do hare reproductive rates reach their highest levels? ~ 5 years before hare density peaks When do hare reproductive rates reach their lowest levels? 2-3 years after hare density peaks Predator/prey relationships drive ________________ cycles and shift entire __________________ communities population ; ecological What is predation? Trophic interaction where one...

Ecologyscientific study of interactions between organisms and their environment, between one another. How do ecologist ask and answer their questions?Uses experiments, observations, and models to evaluate competing hypotheses.(Scientific method) What does the scientific method begin with?Observations List these spatial scales from large to small: individual, biosphere, cell, landscape, population, ecosystem, communityBiosphere, Landscape, Ecosystem, Community, Population, Individual, ...