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LS2e3ab Unit 2

Cell Transport, Cellular Organization, Uni vs. Multicellular

TermDefinition
passive transport movement of molecules across the cell membrane that doesn't require energy (examples: water, oxygen, carbon dioxide)
diffusion movement of molecules from an area of high concentration to an area of low concentration can occur anywhere
osmosis movement of water molecules across the cell membrane, from an area of high to low concentration
Molecule two or more atoms chemically bonded together.
Organism a living thing. ex. Unicellular or Multicellular
Organ System organs working together to do a job, ex. Heart, arteries, veins, blood=circulatory system
Organ -groups of tissues working together to do the same job, ex. Heart
Tissue group of the same cells that work together to perform a specific job; Ex. muscle cells of heart
Cell Smallest part of a living thing
Form Fits Function -the shape of structures in a living thing helps it do do specific jobs.
Cell Specialization generic young stem cells develop into specific cells that have certain jobs/roles; Ex. red blood cells, nerve cells
Homeostasis stable internal balance; equilibrium
Unicellular One celled organism, ex: bacteria
Multicellular Many celled organisms
Created by: wolfgacn
 

 



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