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2.2 & 2.3 vocabulary

Vocabulary

TermDefinition
Organism living things.
Cell the basic unit of structure and function in an organism.
Unicelluar singled-celled organism, include bacteria, the most numerous organism on Earth
Multicelluar organisms are composed of many cells that are specialized to do certain tasks.
Stimulus a change in an organism’s surroundings that cause the organism to react.
Response an action or change in behavior.
Development the process of change that occurs during an organism’s life to produce a more complex organism.
Spontaneous Generation mistaken idea that living things that can arise from non-living sources.
Autotroph organisms that make their food.
Heterotroph organisms that cannot make their own food.
Homeostasis maintenance of stable internal conditions.
Classification process of grouping thing based on similarity.
Taxonomy study of how things are classified.
Binominal Nomenclature Linnaeus naming system.
Genus things that are classified based on similar, closely related organisms.
Species similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
Prokaryote organisms whos cells lack a nucleus.
Nucleus dense area in a cell that contains nucleic acids.
Eukaryotes organisms with cells that contain nuclei.
Microscope an instrument that makes small objects look larger.
Cell Theory widely accepted explanation of the relationship between cells and living things.
organelle tiny celled structures
cell wall nonliving material that surrounds cells of plants
cell membrane barrier
cytoplasm region between the cell membrane and nucleus
mitocondria convert energy into food molecules
endoplasmic recticulum carries protiens from 1 cell to another
ribosome endoplasm recticulum are small grantlike bodies
golgi body recieves protiens and new materials
chloroplasts capture energy from sunight
vacuole storage area
lysosme structures containing chemicals
Created by: S732088
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