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Scince Vocab #2


Classification Is the process by which scientists group living organisms.
Organism Refers to any individual living thing that can react to stimuli, reproduce,grow and maintain homeostasis.
Diversity Means the variability among living organisms from all source including, inter alia, terrestrial, marine and other aquatic ecosystems.
Characteristics A distinguishing quality, trait or feature of n individual, thing ,disorder, etc.
Dichotomous key Is constructed using contrasting characteristics to divde the organisms in the key into smaller and smaller groups.
Taxonomy IS the science of defing and nameing groups of biological organism on the basis of shared characteristics
Domain Is the highest taxonomic rank of organisms.
Six kingdom system Organisms are classified into three domains nad into one of six kingdoms of life.
Microorganism An organism that can be seen oly with the aid of a microscope.
Single-celled Is an organism that consists of only one cell, unlike a multicellular organism that consists of more than one cell.
Multi-celled Having or consisting of many cells or more than one cell to perfom all vital functions.
Prokaryotic A microscopic single-celled organism which has neither a distinct nucleus with a memebrane .
Eukaryotic Any of the single-celled or multicellular organisms whose cell contains a distinct, membrane-bound
Autotroph An organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide
Heterotrooph An organism deriving its nutritional requirements from complex organic substances.
Decomposer Are an organism that breaks down dead or decaying organims.
Carnivore An animal or plant that requires a staple diet consisting of meat
Herbivore Is an anmial tht gets energy from eating plants, and only plants.
Omnivore Animals that feed on meat and plants
Detritiore An organism that feeds on and breaks down dead plant or animal matter.
Insecrivore A type of carnivore that primarily or exclusively eats insects and other similar invertebrates.
Phylogeny The evolutionary development and history of a species or higher taxonomic
Cladogram A branching diagram showing the cladistic realtionship between a number of species.
Created by: cvaughn



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