Cell Smallest structural, ___independent, and biological unit of all living organism

Cells as Building Blocks

A cell is the smallest unit of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the basic building blocks of all organisms.

A cell is the smallest unit of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the basic building blocks of all organisms. ... There are many types of cells all grouped into one of two broad categories: prokaryotic and eukaryotic.

the answer is a or when it says crossing over

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