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Ecology cl

Ecosystem All of the organisms that live in an area and the non-living features of their environment.
Community All the populations of all of the species living in an area at one time.
Population All of the members of the one species that live in an area at one time.
Competition Examples of things organisms compete for: food, shelter, territory, and water.
Growth Limits When growth of a population is limited by resources individuals of that species compete for. (Same things individuals compete for food, water, shelter, and territory.
Limiting Factors Anything that restricts the number of individuals in a population. (Same as things individuals competed for, plus predators and disease.) [Why? Because this includes Growth Factors plus death factors.]
Carrying Capacity The largest number of individuals of one species that an ecosystem can support over time.
Biotic Potential The highest rate of reproduction under ideal circumstances
Habitat The place in which an organism lives.
Niche An organisms role in its environment: how it obtains food and shelter, finds a mate, cares for its young, avoids danger, etc.
Producers Organisms that use energy from an outside source, usually the Sun, to make energy rich food molecules.
Consumers Organisms that obtain energy by eating at least parts of other organisms.
Decomposers Organisms that break down once living matter to get energy.
Parasitism Symbiotic relationship where one organism benefits and the other is harmed. Ex. ticks on a dog.
Commensalism Symbiotic relationship where one organism benefits and the other not affected. Ex. hermit crab.
Mutualism Symbiotic relationship where both organisms benefit.
Predator and Prey Alligator and snake is an example of predator and prey.
Neutralism Symbiotic relationship in which neither organisms benefit.
Created by: CharlieL