Processes like movement, Respiration, Reproduction, Excertion, Nutrition,control and coordination , transportation, which are vital for sustenance of life are called life processes /series of biochemical reactions essential for maintainance of life.
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unicellular organisms diffusion
→ In ________ is the primary mode of obtaining raw materials while in case of multicellular organisms specialised organs perform the function.
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Nutrition
refers to the process via which carbon based raw materials (food) present in the enviroment are acted upon either via anabolic or catabolic pathways to produce an absorbable form through which energy and nutrients (components of food) are derived /the proces via which living organisms ingest food to obtain energy snd nutrients from it.
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autotrophic mode of nutrition
The via which organisms such as green plants synthesise their own (organic) food using inorganic raw materials.