is an action by an organism or part of an organism
causing a change on position or place
Respiration
decribes the chemiscal reaction
in cells that breaks down
nutrient molecules and release
energy for cells
sensitivity
is the ability to detect or sense stimuli in the
internal or external environment and to make
appropriate responses
growth
is a permanent increase in size and
dry mass by an increase in cell
number, cell size or both
excretion
is the removal of waste products of metabolism (chemical
reactions in cells including respiration), toxic materials
and substances in excess of requirements.
Nutrition
is the taking in of materials for energy, growth and development.
Plants require light, carbon dioxide, water, and ions, Animals need
organic compounds, ions, and usually need water