Question

Every multicellular organism has come from a single cell.Justify this statement without any example in 100 words

Answer 1

Let me give you a brief explanation.

Cell forms and divides itself.

Many cells form and makes up a tissue.

Many tissues form and make up an organ.

Many organs form and make up an organ system.

Many organ systems form and make up an organism.

We humans are also multicellular organisms. So this cycle proves that all multicellular organisms come from a single cell.

Answer 2

Multicellular organisms are higher organisms and usually undergo sexual reproduction in which there is fusion of gametes from two parents involved. This is called fertilisation and results in formation of a single cell called zygote which undergoes cell division and differentiation to form a multicellular organism.

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