Transcription of UNIT 1 - NCERT
{{id}} {{{paragraph}}}
Example: air traffic controller
UNIT 1 - NCERT
Biology is the science of life forms and living processes. The living worldcomprises an amazing diversity of living organisms. Early man couldeasily perceive the difference between inanimate matter and livingorganisms. Early man deified some of the inanimate matter (wind, sea,fire etc.) and some among the animals and plants. A common feature ofall such forms of inanimate and animate objects was the sense of aweor fear that they evoked. The description of living organisms includinghuman beings began much later in human history. Societies whichindulged in anthropocentric view of biology could register limitedprogress in biological knowledge. Systematic and monumentaldescription of life forms brought in, out of necessity, detailed systemsof identification, nomenclature and classification. The biggest spin offof such studies was the recognition of the sharing of similarities amongliving organisms both horizontally and vertically.
in a test tube is neither living nor non-living. Hence, while metabolism is a defining feature of all living organisms without exception, isolated metabolic reactions in vitro are not living things but surely living reactions. Hence, cellular organisation …
Loading..
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: