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Chapter 1 Ecology
Question | Answer |
---|---|
What is the definition of a biosphere? | The regions of the surface of earth occupied by living organisms. |
What are the definitions of a herbivore, omnivore, and carnivore? | Herbivore: An organism that only eats only vegetation. Omnivore: An organism that eats both meat and vegetation. Carnivore: An organism that eats only meat. |
What is the difference between a community and an ecosystem? | A community is made up of a variety of different populations, while an ecosystem contains both biotic and abiotic factors. |
What are the roles of a scavenger and a decomposer. | A scavenger is a organism that eats off the dead remains of any plant or animal. A decomposer is a micro organism that breaks down the remains of a dead organism and creates nutrients for producers and the soil to continue the process. |
What is the definition of a carrying capacity | The maximum number of organisms that a region is able to support. |
What are predators and prey? | The prey is the animal being eaten by the predator and the predator is the hunter of the prey. |
Define Mutualism. | The type of symbiosis where both organisms are benefited. |
Define Commensalism | The symbiosis where one organism is benefited while the other is unaffected. |
Define Parasitism | The symbiosis where one organism is benefited while the other is harmed. |
What is coevolution? | The influence of closely associated species on each other in their evolution. |
What is a limited factor and what is an example of one? | A factor in an ecosystem that keeps the population from over growing |