| Term | Definition |
|
Subatomic particle |
proton, neutron, electron |
|
atom |
the building blocks of matter |
|
molecule |
a chemical structure made up of 2 or more atoms |
|
organelle |
structure within cell that preforms work |
|
cell |
basic units of all forms of life |
|
tissue |
a group of similar cells that preform a specific action |
|
organ |
a group of 2 or more tissues that preform a specific function |
|
organ system |
a group of organs that work together to preform a specific function |
|
organism |
an individual living thing |
|
population |
a group of organisms of one species that live together in a defined area |
|
community |
all of the populations in a defined area |
|
ecosystem |
the community and its nonliving surroundings |
|
biosphere |
the part of the planet and its atmosphere that contains all living systems |