• Bacteria
• Microorganism
• Plant
• Fungi
• Animal (that includes people)
• Viruses and prion (part of a protein i.e. Mad cow disease) are not consider alive.

A). Responsiveness

B). Movement

C). Digestion

D). Metabolism

E). Excretion

F). Growth

G). Reproduction

A). Metabolic Process

1). Nutrient uptake

2). Nutrient processing

3). Waste elimination

B). Generative Processes

1). Growth

2). Reproduction

C). Responsiveness

1). Irritability

2). Individual Adaptation

3). Population Adaptation

D). Control Systems

1). Coordination:

2). Regulation:

A). Maintenance of Boundaries

B). Nutrients

C). Oxygen

D). Water

E). Body Temperature

F). Atmospheric Pressure

G). Shelter

Chemical level:

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Cellular level:

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Tissue level:

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Organ levels:

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Organ system level:

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Population

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Community