Chapter 16 Flashcards
Niche
An organisms function in the community.
Habitat
The place an organism occupies in the community.
Community
Populations of different kinds of organisms that interact with one other in a particular place.
A relationship between two organisms in which one organism is helped and the other is not affected.
Commensalism
A relationship between two organisms in which both organisms are harmed.
Competition
An organism that a parasite lives in or on and uses as a source of food.
Host
A relationship between two organisms in which both organisms benefit.
Mutualism
A relationship between two organisms that involves one organism living in or on another organism and deriving nourishment from it.
Parasitism
A relationship between two organism that involves the capturing, killing, and eating of one by the other.
Predation
An organism captured, killed, and eaten by a predator.
Prey
An organism that carried a disease or parasite from one host to the next.
Vector
The accumulation of a compound in increasing concentrations in organisms at successfully higher trophic levels.
Biological Amplification
Describe the results of biological amplification of toxic substances such as PCBs and heavy metals.
They cause unanticipated changes in communities.
