answers
basic characteristics common to all living things - VERIFIED ANSWER✔✔-complex organization, respond
to stimuli, reproduce, adapt to the environment, grow and develop, homeostasis, metabolism
atom - VERIFIED ANSWER✔✔-smallest unit of an element composed of electrons, neutrons, and protons
molecule - VERIFIED ANSWER✔✔-union of 2 or more atoms of the same or different elements
cell - VERIFIED ANSWER✔✔-structural and functional unit of all living things
tissue - VERIFIED ANSWER✔✔-group of cells with common structure and function
organ - VERIFIED ANSWER✔✔-composed of tissues functioning together for a specific task
organ system - VERIFIED ANSWER✔✔-composed of several organs working together
organism - VERIFIED ANSWER✔✔-individual complex system containing organ systems
population - VERIFIED ANSWER✔✔-organisms of same species in a particular area
community - VERIFIED ANSWER✔✔-interacting populations in a particular area
ecosystem - VERIFIED ANSWER✔✔-community plus physical environment
biosphere - VERIFIED ANSWER✔✔-regions of earth's crust, water, and atmosphere inhabited by living
things