explain the defining feature of living nature class 11 ncert
Answers
Answer:
All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.
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Answer:
Accretion: Increase by addition to the periphery of material of the same nature as that already present; e.g., the manner of growth of crystals.
Increase in mass and increase in number of individuals are twin characteristics of growth.
A multicellular organism grows by cell division.
In plants, this growth by cell division occurs continuously throughout their life span.
In animals, this growth is seen only up to a certain age.
Growth which is taking from internal body is known as Intussusceptions
Production of progeny is not the property of non living organisms and only shown by the living organisms.
All plants, animals, fungi and microbes exhibit metabolism.
Anabolism is responsible for producing growth in organisms
Cellular organisation is present in living organisms and absent in non-living organisms