What is ecol #1
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Ecology is the study of interactions between living organisms and their environment. It examines both biotic factors like plants, animals, and microorganisms, as well as abiotic factors such as sunlight, water, and soil. Ecology views environments holistically and studies the complex relationships within and between populations in an ecosystem. Organisms depend on each other through food webs, with plants and algae as primary producers, herbivores and omnivores as primary consumers, and carnivores and decomposers recycling nutrients and matter. Ecology analyzes these interactions across different levels of organization from organisms and populations to communities, ecosystems, and the global biosphere.
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What is ecol #1
- 2. Origin of the word…”ecology” Greek origin OIKOS = household LOGOS = study of… Study of the “house/environment” in which we live.
- 3. Ecology is study of interactions between non-living components in the environment… light water wind nutrients in soil heat solar radiation atmosphere, etc. AND…
- 4. Living organisms… Plants Animals microorganisms in soil, etc.
- 5. To study Ecology involves… For non-living (abiotic) For living Cycles including: (biotic) water animal Phosphorus behavior Nitrogen Organisms and CO2 and O2 their soil analysis, etc. relationships population (studies) etc.
- 7. Ecology… views each locale as an integrated whole of interdependent parts that function as a unit. caribou tundra
- 8. Nonliving dead organic matter nutrients in the soil and water. Producers Tundra green plants
- 9. Consumers herbivores and carnivores Decomposers fungi and bacteria Tundra Caribou
- 10. ECOLOGY: Levels of Organization - a hierarchy of organization in the environment
- 11. Levels of organization - Terms Biosphere Surface of the earth Composed of many ecosystems Ecosystem Includes living and nonliving organism's Large or small as we decide Backyard, Central Park, butterfly garden outside Ms. Sprattler’s room (by tennis courts)
- 12. Levels of organization - Terms Community – All living populations (diff. species) that live in a particular area. Population – one species live in one place at one time
- 13. Levels of organization - Terms Habitat – Address of an organism, physical location of community Organism – simplest level of organization
- 14. Niche ~ role in the environment Cape May Warbler Feeds at the tips of branches near the top of the tree Bay Breasted Warbler Feeds in the middle part of the tree Yellow-Rumped Warbler Feeds in the lower part of the tree and at the bases of the middle branches
- 15. Detritivores Feed on dead/ decaying matter
- 16. Decomposer
- 17. Part II Organisms & relationships
- 18. Relationships in the Environment Symbiosis - When 2 species live closely together
- 19. Predator - Prey =one organisms lives and the other organisms dies (-, -)
- 20. Lynx and Snowshoe Hare
- 22. Parasitism ~ one organisms benefits and the other organism is harmed ( -,-)
- 24. Commensalism ~ One organism benefits and the other organism is not affected (+,o)
- 27. Mutualism ~ Both organisms benefit( +, +)
- 28. Crocodile and plover – plover picks leeches and food from open croc mouth
- 29. Part III ~ Feeding Relationships
- 30. Food Chains~ A pathway for matter and energy to pass from one organism to another Organisms eat and are eaten
- 31. Food chain ~ a series of steps in where organisms transfer energy by eating and being eaten
- 32. Many organisms eat more than one type of food ~ food web
- 33. Food Chains Seldom stand Alone
- 34. Food Web a network of feeding interactions of various organisms in an ecosystem
- 35. Food webs More diverse ecosystems bring more stability to an Ecosystem
- 36. The End!!