Question

In which type of organism, individual cell is capable of
performing all essential functions of life and independent
existence?
(a) Unicellular organism
(b) Multicellular organisms with cellular grade
(c) Multicellular organisms with tissue grade
(d) Multicellular organisms with organ system grade​

Answer 1

i think (d) multicellular organisms with organ system grade

Answer 2

Answer:

The correct answer is unicellular cell .

Explanation:

• Unicellular Organism are also known as single cell Organism that are capable of the independent existence.
• The unicellular Organism are capable of performing their all life function which is essential for their survival.
• Unicellular Organism are able to perform all life function like nutrition, respiration, locomotion and reproduction being one cell like all multicellular Organism.
• Unicellular Organism does not have many cell organelles , there genetic material are also naked.
• Unicellular Organism have prokaryotic cell that lacks membrane bound organelles such as mitochondria or nucleus. Prokaryotes have ability to neutralise a wide range of organic and inorganic matter that they use in metabolism, including sulphur, cellulose, ammonia.
• Example of unicellular organisms include bacteria and viruses.
  
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