BIOB50H3 Midterm: lecture 2 What is Ecology
Document Summary
More of a cultural sector (white men) Which was a reflection of their social position, reflection of the fact that natural systems saw each species as having a distinct role to play in maintaining a balance of nature. Current understanding: events in nature are interconnected. Levels of organization in life organismal ecology pop ecol commu ecol ecosystem ecol biosphere carbon based life forms require energy to use carbon/carry out basic functions (cellular respiration) energy/resources limited reproduction (ultimate meaning of life) Molecule cell tissue organ system organism pop commu biosphere ecosystem - species and environment biosphere - global systems ecology. 8: species depend on one another for energy, nutrients and habitat. Diurnal (daily) scales - the change in energy, interactions, etc over the course of the day and night. Seasonal (monthly-annual) scales - change with seasonal resource availability and enviro differences (phenology)
