biology Flashcards
what is biology
the study of living things and its environment
list the 7 seven characteristics of living organisms
movement
growth
reproduce
respiration
sensitivity
excretion
nutrition
what is growth
permanent increase in size and mass
what is movement
causes an organism to change position or place
what is reproduce
results information of new individuals
what is respiration
the release of energy
what is sensitivity
being able to detect and respond to stimulus
what is excretion
removal of metablolic waste from chemical reaction
what is nutrition
the use of food for energy and growth
what is the structure of an organism
cells
cell tissues
organ
organ system
organism
what are cells
the smallest unit on an organism
what does the cell membrane do
allows things to enter cell
what does the nucleus do
contain the genetic information
what does the mitchondaria do
where respiration occurs
what does the small vacuole do
contains digestive system