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1/31/2016 ECOLOGY INTRODUCTION TO Ecology- the study of the relationship between organisms and their environment WE STUDY PATTERNS AND TRY TO EXPLAIN THEM… ECOLOGY ORGANIZATION OF ECOLOGY VOCABULARY 1. abiotic factor chemical or physical factors; non-living factors Organism that affect living organisms 2. biotic factors Population LIVING factors that affect living organisms Community Ecosystem Biosphere ABIOTIC OR BIOTIC? • Determine if the following are abiotic or biotic factors. (create a chart) Predator Annual precipitation soil pH (acidic or Pollution basic) Plants light intensity CO2 levels bacterial disease ABIOTIC BIOTIC CHECK YOUR ANSWERS Abiotic Biotic Soil pH Light intensity Annual precipitation Pollution CO2 levels Predators Bacterial disease plants 1 1/31/2016 VOCABULARY VOCABULARY 3. Population 5. Ecosystem • A groups of organisms of the same species, • relationship between organisms, abiotic factors, living in the same area, compete for the same resources, and interbreeding. 4. Community and the habitat • Adding abiotic factors to a community 6. Biosphere • collection of populations that share the same • The part of the earth (land and/or water) and its resources; many different species in the same area • All the biotic factors in one area atmosphere that can support life MORE VOCABULARY 7. Habitat physical space/area in which an organism lives 8. Niche status of the organism within its habitat and community its “job” or way of life BACK TO THE ORIGINAL IDEA Any change at one level effects all other levels… “Ripple Effect” THINK ABOUT: Why is it that the number of people with Lyme Disease directly correlates with the annual rainfall for the previous year? POLAR BEAR Habitat Niche Alaska, Canada, Greenland associated with packed snow average temp= sub zero seals, eggs, vegetation Predator Breeds April through June Prefer solitary except mother/cub pairs; mating season; abundant food sources ACTIVITY On a blank sheet of paper draw a pyramid like in your notes. Draw a picture that illustrates each level of ecology. Organism Population Community Ecosystem Biosphere 2 1/31/2016 3