Fill in the Blanks Levels of OrganizationOnline version Review of the concepts of organization by Bárbara Pamela Serrano Flores 1 Individual Cell Biosphere Tissues Ecosystem Species Organs Populations System Community : the place where life occurs , from the heights of our atmosphere to the bottom of the oceans . : the relationship between a group of organisms , with each other and their environment . : the relationship between populations of different species . For example : in the desert , a community may consist of rabbits , coyotes , snakes , mice , birds and plants such as cacti . : group of similar individuals that tend to mate with each other giving life to fertile breeding . : groups of similar individuals living in a limited geographic area . : one or more cells characterized by a single type of information encoded in their DNA . It can be unicellular or multicellular . : ( in multicellular organisms ) . group of tissues and organs that are organized to perform a certain function . : ( in multicellular organisms ) group of tissues that perform a certain function . : ( in multicellular organisms ) a group of cells that perform a certain function . : the smallest structural unit of living beings capable of functioning independently . Organelle : a subunit of the cell .
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