biology- the science of life

a body of knowledge based on the study of nature

science of life; examines how living things interact, how systems function, and how they function at a molecular level

anything that has or once had all the characteristics of life

process that results in mass being added to an organism; may include formation of new cells and new structures

production of offspring

changes an organism undergoes in its lifetime before reaching its adult form

orderly structure shown by living things

a group of organisms that can breed with one another and produce fertile offspring 

any change in an organism’s internal or external environment that causes the organism to react

an organism's reaction to a stimulus