Biology 100 Hierarchy of Life - Bellevue College PDF

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Summary

This details the hierarchy of life and related lecture notes. Includes comprehensive diagrams and terms of art....

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Biology 100 Hierarchy of Life Hierarchy of Life CELL

unicellular - one cell

multicellular - many cells

TISSUE

group of cells

specific functions

ORGAN

group of tissues

specific functions

ORGAN SYSTEM

group of organs

specific functions

MULTICELLULAR ADULT ORGANISM

group of organisms

not connected

POPULATION

group of organisms belonging to the same species, living in one area

COMMUNITY

population of different species living in one area

ECOSYSTEM

interaction between biotic and abiotic

General Notes - The hierarchy of life is helpful for identifying different creatures. - Multicellular adult organisms and populations are sometimes confused, but a multicellular adult organism does not necessarily need to interact with others of its kind nor does it need to be near them. A population, however, must involve member of the same species interacting and living in the same area as one another. Terms of Art - Biology – the study of living (biotic) organisms - Biotic – living - Abiotic – nonliving - Cell – the basic unit of life - Unicellular – an organism made up of one cell - Multicellular – an organism made up of many cells - Tissue – a group of cells...