Chapter 4 key terms Flashcards
Ecosystem
A community of organisms and their abiotic environment
Biotic Factor
An environmental factor that is associated with or results from the activities of living organisms
Abiotic Factor
Non-living part of the environment
Organism
A living thing anything that can carry out life processes independently
Species
A group of organisms that are closely related and can mate to produce fertile offspring.
Population
A group of organisms of the same species that live in a specific geographical area and interbreed
Community
A group of various species that live in the same habitat and interact with each other
Habitat
The place where an organism usually lives
Natural Selection
Process by which individuals that are better adapted to their environment survive and reproduce more successfully than less adapted species.
Evolution
A heritable change in the characteristics within a population from one generation to the next.
Adaptation
The process of becoming adapted to an environment.
Artificial Selection
The selective breeding of organisms for specific desirable characteristics
Resistance
In biology, the ability of an organism to tolerate a chemical or disease causing agent.
Archaea
Prokaryotes that are distinguished to live in extreme environments difference in genetics and cell wall
Bacteria
Extremely small, single celled organisms that usually have a cell wall and reproduce by cell division(asexual)
