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Chapter 1 Ecology

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
Created by: Alexnewtron