Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex? organism, organ, organ system, cell, tissue organism, organ system, organ, tissue, cell cell, tissue, organ system, organ, organism cell, tissue, organ, organ system, organism

Answer;

cell, tissue, organ, organ system, organism

Explanation;

-The levels of organization of an organism in hierarchical order includes; the cell, tissue, organ, organ system and then organism.

-Cell is the basic fundamental unit of living or all living organisms. The cells are composed of organelles which carry specific functions inside the cells.

-A group of specialized cells form tissues, thus tissues are a group of cells that are specialized to perform similar functions. Tissues together then form organs which are responsible for various process in the body. For example heart is an organ made of several tissues, and helps in circulation of blood and nutrients in the body.

-Several organs forms the organ system, for example, respiratory system, digestive system among others. It is the integration of the organ systems that forms the organisms.

The correct answer would be the last option, that is, cell, tissue, organ, organ system, organism.

The cell is the basic unit of all living organisms. In muli-cellular organisms, similar cells group together and perform a similar function. Such an organization of similar cells is called a tissue.

Similarly, tissues arrange themselves to form an organ. For example, a heart is made up of cardiac tissue, the brain is made up of nervous tissues et cetera.

Different organs work with each other to form an organ system. For example, a pair of ureters, a pair of kidneys, urinary bladder, and urethra form an excretory system.

Different organ system work with each other to sustain a life in an organism.

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