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Definitions #2

Vocab words

TermDefinition
Homeostasis The ability to maintain a constant internal environment in response to environmental changes
Respiration The biochemical process in which the cells of an organism obtain energy by combining oxygen and glucose, resulting in the release of carbon dioxide, water, and ATP (the currency of energy in cells)
Excretion is a process by which metabolic waste is eliminated from an organism.
Synthesis It is the process of combining two or more components to produce an entity.
Egestion Is the discharge or expulsion of undigested material (food) from a cell in case of unicellular organisms, and from the digestive tract via the anus in case of multicellular organisms.
Metabolism The sum of the chemical reactions that take place within each cell of a living organism and that provide energy for vital processes and for synthesizing new organic material.
Organism An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and maintain homeostasis.
Heterotrophic an organism that cannot manufacture its own food by carbon fixation and therefore derives its intake of nutrition from other sources of organic carbon, mainly plant or animal matter
Eukaryote An organism whose cells contain a nucleus within a membrane.
Unicellular organisms are composed of a single cell, unlike multicellular organisms that are made of many cells. This means that they each live and carry out all of their life processes as one single cell.
Taxonomy The science of naming, defining and classifying groups of biological organisms on the basis of shared characteristics.
Chordate A phylum of the animal Kingdom comprising all the animals that have, at some stage in their life, a notochord (a hollow dorsal nerve cord), pharyngeal slits and a muscular tail extending past the anus.
Multi-cellular A complex organism, made up of many cells.
Prokaryote Prokaryotes are unicellular organisms that consist of a single prokaryotic cell. ... Bacteria and Archaea are the two domains of life that are prokaryotes
Genus A taxonomic category ranking used in biological classification that is below a family and above a species level, and includes group(s) of species that are structurally similar or phylogenetically related.
Binomial nomenclature A formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms.
Autotrophic An organism that manufactures its own food from inorganic substances, such as carbon dioxide and ammonia.
Asexual A type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it does not involve the fusion of gametes, and almost never changes the number of chromosomes.
Regulation Any process that modulates the frequency, rate or extent of a biological process.
Kingdom A taxonomic rank that is composed of smaller groups called phyla (or divisions, in plants). Supplement. Historically, kingdom is the highest taxonomic rank, or the most general taxon used in classifying organisms.
Created by: UWUBT21
 

 



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