5. Heredity. All organisms posses a genetic system that is based on the replication of along molecule called DNA (deoxyribonucleic acid). The information that determines what an individual organism will be like is contained in a code that is dictated by the order of the subunits making up the DNA molecule, just as the order letter on this page determines the sense of what you are reading. Each set of instruction of with in the DNA is called a gene.

Together the genes determine what the organism will be like. Because DNA is friutfully copied is also preserved and passed on to future generations. The transmission of characteristics from parent to offspring is a process called heredity.

-All living things possess cells that carry out metabolism, maintain stable internal conditions,reproduce themselves, and use DNA to transmit hereditary information to offspring.

-These paramecia are complex single-celled protists that have just ingested several yeast cells. Like these paramecia many organisms consists of just a single cell, while others are composed of trillions of cells.

This kingfisher obtains the energy it needs to move, grow and carry out its body processes by eating fish. It metabolize this food using chemical processes that occur within cells.

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