characteristics of living organisms

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Metabolism

living organisms carry out a number of chemical reactions collectively known as Metabolism

What main two processes is metabolism divided into

Anabolism and Catabolism

Catabolism

The breakdown of substances to release energy

Anabolism

The use of energy to build new cell components

Growth

Where building outweighs breaking down processes

What are the two types of growth

Increase in size of individual cells or increase in number of cells

Excretion

Process that an organism uses to eliminate potentially harmful waste products created by metabolic processes

Responsiveness

Ability of organisms to sense and react to changes or stimuli in their environment

Movement

Ability of an entire organism to move or movement of individual cells or of materials within or between cells of an organism

Reproduction

Organism itself reproduces to yield similar offspring

Reproduction2

Individual cells reproduce within organism during growth and to replace damaged or old cells

Chemical level

Smallest level includes Atoms, Molecules, and Macromolecules

Cellular level

Different types of molecules formed to create cellular structures such as the organelle and the cell

Tissue level

two or more cell types cooperate to perform a common function

Organ level

Consists of two or more tissue types combined to form a organ (skin, heart, kidney)

Organ system level

Consists of two or more organs that carry out a broad function in the body

Organism level

Organ systems function together to make up a working human body

What are the organ levels in order

Chemical level, Cellular level, Tissue level, Organ level, Organ system level, Organism level