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Understanding Ecology: Organisms, Populations, and Their Interdependence

This review explores the fundamental concepts of ecology, focusing on populations of different organisms and the abiotic factors that influence them. Key topics include communities, territories, ecosystems, and interrelationships such as mutualism and parasitism. It highlights examples like herbivores, the impact of returning wolves to Yellowstone, and the significance of abiotic factors in climate determination. The interconnectedness of energy flow in food chains and webs, as well as the characteristics of various biomes, are also discussed, providing a comprehensive overview for students.

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Understanding Ecology: Organisms, Populations, and Their Interdependence

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  1. Ecology and Interdependence SOL Review

  2. Populations of different organisms and the abiotic factors which affect them are known as a(n): • community • territory • ecosystem • population

  3. An instinct is an example of: • innate behavior • earned behavior • imprinting • conditioning

  4. All populations in an area make up: • a niche • a habitat • a community • an ecosystem

  5. An example of a herbivore is a: • wolf • moss • tree • rabbit

  6. The relationship in which one organism is helped and the other is harmed is known as: • mutualism • parasitism • commensalism • symbiosis

  7. The responsive inactivity and slowed metabolism that occurs during cold conditions is: • hibernation • imprinting • migration • circadian rhythm

  8. All of the following are abiotic factors except: • animals • air • sunlight • soil

  9. The number of individuals in a population occupying an area of a specific size describes the population's: • clumping • size • spacing • density

  10. The level of the food chain with the most energy contains: • omnivores • herbivores • decomposers • producers

  11. Returning wolves to Yellowstone National Park adds _____  to the food web. • a producer • an herbivore • a top carnivore • a decomposer

  12. The climate of an area is determined by: • plankton • succession • limiting factors • abiotic factors

  13. Freshwater biomes include all of the following except: • lakes • ponds • rivers • estuaries

  14. Eucalyptus trees produce energy from sunlight. Koalas eat eucalyptus leaves for energy. This is an example of: • competition • food chain • mutualism • food web

  15. All of the following are examples of grasslands except: • pampas • prairies • steppes • estuaries

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