characteristics of living organisms

made of one or more cells

the cell is the basic unit of life. some organisms are unicellular. others, like a great horned o, are multicellular.

displays organization

biological systems begin with atoms and molecules and increase in complexity. each with a specific function. the human lung’s structure is related to the gas exchange function between the body and atmosphere.

grows and develops

growth results in an increase in mass. development results in different abilities. a puppy grows and develops into an adult dog.

reproducing

reproduction must occur to pass traits among one generation to the next. for example, reproduction occurs for a kangaroo’s specie to live on.

requires energy

energy is a need for all life processe. food is often a form of energy.

maintains homeostasis

homeostasis keeps internal conditions stable.

adaption evolves over time

are inherited changed that occur overtime that helps species survive. like plants getting rained on.

metabolism

obtain and use of energy

anabolism

building up complex substances from simpler substances