What processes would you consider essential for maintaining life?
Answer = The various processes essential for maintaining life are:Nutrition, respiration, transport, Excretion, control and coordination, growth, movement and reproduction.
Answers
You have written the answer in question itself. Otherwise, I am explaining in short.
♣ Nutrition :- Nutrition is the intake of essential nutrients for proper growth andd development of our body. We should consume various helpful nutrients contained foodstuffs which are rich in protein, carbohydrates, fats, minerals, vitamins and etc.
♣ Respiration :- Respiration is an energy yielding process which is done by oxidizing foodstuffs either with the help of oxygen or without the help of oxygen. There are mainly 2 types of respiration which are, Aerobic respiration and Anaerobic respiration.
♣ Co-ordination :- The overall coordination is our body is done by following organs, namely, brain, spinal cord and whole nervous system help them out. The messages from brain are conducted out with the help of electric impulses.
♣ Excretion :- Excretion is the process by which undigested part and with waste materials, all is thrown out of our body. Excretion is the process before which digestion does occur. We see excretion in both multicellular and unicellular organisms.
♣ Reproduction :- Reproduction is carried out to exist our species on Earth. Reproduction process is done by fusion of male and female gamates forming a zygote. When the zygote grows, a new organism gets formed from an existing one. Unicellular animals, such as amoeba, yeast also do reproduction ny cell division.