BIOL 226 Study Guide - Westerlies, March Equinox, Temperate Deciduous Forest
Document Summary
Distribution & abundance of organisms: not. % of changes in last 20 years: world population increased by 31, canadian population increased by 23, atmospheric co2 increased by 9. 8, fossil fuel consumption increased by 58, people with hiv increased by 313% 2 approaches to ecology/science: reductionism seeks answers at lower levels of hierarchy. Holism: holism seeks answers at the same or higher levels of analysis by examining, emergent properties, novel properties that emerge at each level, invisible to reductionist, become apparent to holist. Individuals: age, size, clutch size, lifespan, personality, populations, density, dispersion, growth rate, communities, s, species diversity, successional stage, species interactions, ecosystems, efficiency of nutrient cycling, energy flow, transfer efficiency. Why do we care about climate: predicts the distribution of terrestrial species &terrestrial biomes on earth (major ecosystems) Why do we have seasons: earth is tilted toward the sun during summer and away during winter. Tilt of the earth 23. 5 degrees: where is the sun overhead on:
