Levels of Organization Flashcards
Atom
A tiny particle that has the properties of an element
Molecule
Two or more atoms connected by chemical bonds
Organelle
A small structure in a cell that is surrounded by a membrane and has a specific funcion
Cell
A basic unit of life that is responsible for all of life process
Tissue
A group of cells that have similar structure and that function together as a unit
Organ
A collection of tissue that structurally form a functional unit to perform a particular funcion
Organ System
A group of organs that work together in the body to perform a complex function
Organism
A living thing that has a cellular structure and can independently perform all function necessary for life
Population
A group of individuals of the same species living in a particular geographic area
Community
An interacting group of various species in a common location
Ecosystem
A community of living organisms in a particular area
Biosphere
The region of earth that encompasses all living organisms
