Creatures, and there is no life in the world. Starting from the smallest substance is atom (atom) Several chemical reactions, Atomic, or make based on force between atoms become molecules (molecule) The molecules of the substance. Various Or an organelle (organelle) Organelle, sharing work and compose the cell (cell)
.In the small creatures may have only a single cell. Part beings that have more than one cell. The same type of cells, cells function together is called a tissue (tissue), such as bone tissue. Become an organ (organ), such as bones, organs, and of the same type. Sharing multiple functions over such organ systems to sweep or skim over skeleton. Multiple systems working together becomes a creature (organism), such as cats, dogs, cattle, chicken, crab, deer, barking deer,
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