What is the basic unit of structure and function of all living organisms?
mitochondrion
odna
nucleus
cell

Cell

Explanation:

As we all know it is a cell that is the basic structural and functional unit of living organisms. Cells>Tissues>Organ>Organ system>Organism.

The cell is the basic unit of all living organisms. All organisms are either unicellular (made of a single cell) or multi cellular (made of multiple cells).

Explanation:

The human body is a complex structure made of millions of cells. The cells combine together to form tissues. Tissues perform specific functions that combine together to form organs.

A cell is made up of many organelles. Nucleus, mitochondrion, ribosome, cell vacuole are some examples of the organelles. DNA is the hereditary material present inside the nucleus.

The cell performs various processes inside the body and it requires energy to do that. The mitochondrion inside the cell produces ATP (Adenosine triphosphate) which produces energy to perform these functions.

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explanation:

it should be d) transitional fossils.

they show the gradualism of evolution throughout a period of time