Flash Cards 2
Classification
The process of grouping things based of their similarities
Species
A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
Taxonomy
The scientific study of how living things are classified
Domain
The most basic level of organization In the classification of organisms
Evolution
Change over time the process by which modern organisms have descended from ancient organisms
Virus
A tiny, non living particle that enters and reproduces inside as living cell
Host
An organism that provides a source of energy or a suitable environment for a parasite to live with in, or on
Vaccine
A substance used in a vaccination that consist of pathogens that have been weakened or killed but can still trigger the body to produce chemicals to destroy the pathogens.
Bacteria
Single celled organisms that lack a nucleus prokaryotes
Parasite
An organism that benefits by living with, on, or in a host in a parasitism interaction.
Protist
A eukaryotic organism that cannot be classified as a animal plant or fungus.
Organism
A living thing
Habitat
An environment that provides the things a specific organism need to live, grow, and reproduce
Biotic factor
A living or once living part of an organisms habitat
Abiotic factor
A nonliving part of an organisms habitat
Population
All the members of one species living in one area
Community
All the different populations that Live together in a certain area
Ecosystem
The community of organisms interact with each other and their environment
Limited factor
An environmental factor that causes a population to decrease in size
Resource
Things that organisms need to survive and reproduce
Density
A number of individuals in an area of a specific size
Producer
An organism that can make its own food
Consumer
An organism that obtains energy by feeding on other organisms.
Decomposer
An organism that gets energy by breaking down biotic wastes and dead organisms and returns raw materials to soil and water.
Food chain
A series of events in an ecosystem in which organisms transfer energy by eating and by being eating
