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7th Unit 3

Organization of Life

TermDefinition
Binomial nomenclature The scientific naming of species whereby each species receives a two part Latin name,the first name is the genus and the second name is the species.
Taxonomy The branch of science that is associated with the description, identification, naming, and classification of organisms.
Dichotomous key A tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item.
Prokaryote Single celled organisms characterized by the absence of a distinct, membrane-bound nucleus or membrane-bound organelles, and by DNA that is not organized into chromosomes.
Animalia Animal Kingdom: Kingdom classified of muticellular eukaryotic organisms that are typically characterized by having a multicellular body, specialized sense organs, voluntary movement, responses to factors in the environment and can acquire and digest food.
Plantae Plant Kingdom: A taxonomic kingdom within the domain Eukaryota all of which contain chlorophyll to obtain energy from the sun.
Eukaryote An organism that contains a nucleus and membrane bound organelles.
Archaea (archaeabacteria) A group of microorganisms that resemble bacteria but are different from them in certain aspects of their chemical structure, such as their cell walls. They usually live in extreme, or harsh environments.
Bacteria (eubacteria) A large group of prokaryotic microorganisms that lack a cell nucleus, Most abundant lifeforms on Earth.
Protista A kingdom of eukaryotic organisms that are unicellular and sometimes colonial or less often multicellular.
Fungi Fungus Kingdom: A kingdom of saprophytic and parasitic spore-producing eukaryotic organisms that lack chlorophyll.
Virus Submicroscopic agents that infect living organisms, which are unable to replicate without a host organism. They typically are not considered living organisms.
Created by: darrin_evans