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Biology Characteristics
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Biology Characteristics
Bella Dixon
Organization and Cells
Organization is the order within an organism's internal and external parts, also organization controls it's interactions with the living world. All living organisms are made up of cells. Cells are the smallest unit that can perform all life's processes.
Organization and Cells
Response to Stimuli
Stimulus is a physical or chemical change in the external or internal enviornment. An example of
this is when an animal, such as an owl dialates
its pupil to keep the level of lighting constant. Organisms have to be able to react and respond
to changes in their environment to stay alive.
Homeostasis
Helps the body maintain a stable
internal environment even though the
enviornment conditions are constantly changing. Organisms have regulatory
systems that maintain internal conditions,
like water content, temperature, and
uptake nutrients by the cell.
Metabolism
Organisms use energy to power through all of
life's processes like growth, repair, and movement. This energy use relies on the metabolism. The metabolism is the sum of all the chemical reactions to take in and transform energy.
Metabolism
Change through time
Organisms experience many changes
during its lifetime, but their genetic characteristics do not change. The ability for
the organisms to change is vital to their
survial in the changing world.
Reproduction
All organisms produce new organisms, this
is called reproduction. But this is techinally
not essential for their survival. During
reproduction, organisms transmit hereditary
information to their offspring.
Growth and Devolpment
All living things increase or grow in
size, the growth of living things
results from the divison and enlargement
of cells. Cell divison is the formation of
two new cells using existing cells.
Devolpment is the process that an
organism becomes a mature adult. This involves cell divison and cell specialization.
Works Cited
Postlethwait, John H. Modern Biology. Holt, Rinehart and Winston, 2009.