Shared Flashcard Set

Details

AHSGE Science
VI-1 Define the components of an ecosystem
26
Other
Not Applicable
10/01/2007

Additional Other Flashcards

 


 

Cards

Term
the zone around the earth where living things are found
Definition
biosphere
Term
ecological system encompassing a bilological community and the physical enviroment associated with it
Definition
ecosystem
Term
all the different species that live together in a habitat
Definition
communtiy
Term
group of individual organisms that belong to the same species, live in the same area, and breed withing the group
Definition
population
Term
enviroment in which an organism lives
Definition
habitat
Term
the role of a species within an ecosystem
Definition
niche
Term
global warming caused by heat-trapping gases such as carbon dioxide, methane, and water vapor
Definition
greenhouse effect
Term
regular progression of species replacement that occurs over a period of time
Definition
succession
Term
living organisms that make up an ecosystem
Definition
biotic
Term
the non-living physical components of an ecosystem
Definition
abiotic
Term
the process by which unrelated species develop similiar structures as a response to a smiliar habitat
Definition
convergent evolution
Term
the idea that one or more different species developed over time from a common ancestor
Definition
divergent evolution
Term
any change in the structure, function, or behavior of an organism that makes it better suited to live in its enviroment
Definition
adaptation
Term
relationship between two organisms in which both organisms benefit
Definition
mutualism
Term
a symbiotic relationship in which one species benefits and the other is neither harmed nor helped
Definition
commensalism
Term
substance used to kill bacteria
Definition
antibiotic
Term
strand of DNA encased in a protein coat that infects living cells and utilizes the cell's parts to make copies of itself
Definition
virus
Term
symbiotic relationship in which organisms live, grow, feed, and take shelter inside or on another organism
Definition
parasitism
Term
idea that states that organisms change over time, forming new species from pre-existing ones
Definition
theory of evolution
Term
ecological interaction in which one or more species live together in a close long-term association
Definition
symbiosis
Term
preserved or mineralized remains or traces of an organism that lived long ago
Definition
fossil
Term
group of similar organisms that are capable of producing fertile offspring in nature
Definition
species
Term
the dry weight of tissue and other organic matter in a given unit area
Definition
biomass
Term
the existence of a variety of species in ecosystems
Definition
diversity
Term
substances prepared from killed or weakened pathogens and introduced into an organism to produce immunity
Definition
vaccine
Term
used by the body to destroy disease-causing agents called pathogens
Definition
antibodies
Supporting users have an ad free experience!