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Enviro Sci Ch 4
Question | Answer |
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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 | Describes the non living part of the environment, including water, rocks, light, and temperature |
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 | The process by which individuals that are better adapted to the environment survive and reproduce more successfully than less well adapted individuals do |
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 a specific desirable characteristics |
Resistance | In biology, the ability of an organism to tolerate a chemical or disease-causing agent |
Archaea | Prokaryotes that are distiguished from other prokaryotes by differences in their genetics and the makeup of their cell wall |
Bacteria | Extremely small, single-celled organisms that usually have a cell wall and reproduce by cell division |
Fungus | An organism whose cells have nuclei, rigid cell walls, and no chlorophyll and that belongs to the kingdom Fungi |
Protist | An organism that belongs to the kingdom Protista |
Gymnosperm | A woody vascular seed plant whose seeds are not enclosed by an ovary or fruit |
Angiosperm | A flowering plant that produces seeds within a fruit |
Invertebrate | An animal that does not have a backbone |
vertebrate | An animal that has a backbone |