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Enviormental Science

Vocab Chapeter 2 p. 47

abiotic factors non-living parts of the ecosystem, temperature, sunlight, humidity, water supply, soil type and mineral nutrients such as nitrogen, phosphorus and sulfur.
adaptation an inherited trait that increases an organisms chance of survival and reproduction in a certain enviorment.
biotic factors the living parts of an ecosystem, the animals, plants and microorganisms.
coevolution when two or more species evolve in response to each other. Examples: between predator and prey
commensalism a relationship in which one species benefits and the other is neither harmed nor helped such as the interaction between remoras and sharks.
community a group of interacting populations of different species.
competition occurs when two or more organisms of the same or different species attempt to use the same limited resource. Ex: 2 plants competing for limited sunlight.
ecosystem incudes all the different organisms living in a certain area along with their physical environment.
evolution a change in the genetic characteristics of populations from one generation to the next is known as evolution
extinction the irreversible disappearance of a population or a species
habitat the actual place an organism lives
host the organism the parasite takes its nourishment from is called the host
mutualism a cooperative partnership between two species in which both species benefit.
natural selection Darwin used natural selection to describe the Darwin used the term natural selection to describe the unequal survival and reproduction that results form the presence or absence of particular traits.
niche way of life
organism one individual living thing
parasites organisms that live in or on another organism and feed on it without immediately killing it.
parasitism the relationship between the parasite and its host
population a group of individuals of the same species living in a particular place.
predation one organism kills and eats another organism.
predator the one that does the eating
prey the organism that is eaten
species a group of organisms that are able to produce fertile offspring, and that share common genes and therefore resemble each other.
Created by: ethanheiges