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science vocab

TermDefinition
an individual plant, or single-celled life form
the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
organisms with one cell
organisms made of two or more cells, more complex, specialized to do different tasks, cells work together
a change or signal in the environment that can make an organism react in some way
an action or change in behavior
the supposed production of living organisms from nonliving matter, as inferred from the apparent appearance of life in some supposedly sterile environments (does NOT occur)
maintain a stable environment, many methods of mainting homeostasis
BIOLOGY a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. the species is the principal natural taxonomic unit, ranking below a genus and denoted by a latin binomial, e.g. homo sapiens
the arrangement of animals and plants in taxonomic groups according to their observed similarities (including at least kingdom and phylum in animals, division in plants, and class, order, family, genus, and species).
a principal taxonomic category that ranks above species and below family, and is denoted by a capitalized latin name, e.g. Leo
two part naming system, consists of genus and species. the more groups the two organisms share, the more characteristics they have in common.
the branch of science concerned with classification, especially of organisms; systematics. the classification of something, especially organisms.
broadest level of classification (eukarya- plant, animal, protist, fungi) / (archaea + bacteria- unicellular organisms without nuclei)
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
less complex than protists, unicellular, no nucleus, some are autotrophs and some are heterotrophs, and they are found everywhere.
not in any domain because they are not considered living, tiny nonliving particle that enters a cell and reproduces, lack most characteristics of life
an animal or plant on or in which a parasite or commensal organism lives.
a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the dis
a single-celled organism of the kingdom Protista, such as a protozoan or simple alga.
an organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.
cell
unicellular
multicellular
stimulus
response
spontaneous generation
homeostasis
species
binomial nomenclature
taxonomy
domain
evolution
bacteria
virus
host
vaccine
parasite
Created by: ferrstudy