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bio y9 t1

TermDefinition
Ecosystem A community of organisms, their physical environment, and the interaction that happens between them. 
Community All of the populations of different species that live in the same area and interact with one another.
Population A group of individuals of the same species living in one area at one time.
Symbiosis An interspecific interaction in which the different species live together in a long term relationship.
Disease an abnormal condition of an organism which interrupts the normal bodily functions
Pathogen biological agents that cause disease (some are living, some are non-living)
Sign can be detected (seen) or measured by another individual
Symptom is experienced or felt by the individual affected by the disease
Prevention inhibiting the introduction of a disease into an area, population or individual
Treatment the use of an agent or procedure (such as a drug or surgery) in an attempt to cure or mitigate a disease condition
Epidemic the occurrence of more cases of a disease than would be expected in a community, country or region during a given period
Pandemic an epidemic of a disease that has spread across a large region (e.g. multiple continents or worldwide)
Vaccination treatment with a vaccine (a substance that contain a weakened or dead pathogen which is injected in order to stimulate the immune response) to produce immunity to a particular infectious disease or pathogen
Ecology the study of the relationships between living things and their environment. 
Environment all of the living and non living factors that affect the survival of an organism in its living place.
Habitat the living place of an organism
Biodiversity the total variety of organisms, habitats, communities and ecological processes
Predator an organism that consume other organisms (prey) that they actively hunt
Producer organisms that make their own energy-rich molecules (e.g. glucose) by using the Sun’s energy to convert simple molecules into larger energy-rich molecules
Consumer organisms that get their energy from the food they eat
Decomposer organisms that break down energy rich molecules (e.g. glucose) in dead organisms and the wastes of organisms into simple molecules and so help to recycle matter.
adaptation A feature that enhances an organism’s chance of survival.
Created by: sschooluser2.0
 

 



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