a chemical substance that an organism needs to survive
an organism that obtains energy by feeding on other organisms
when organisms use chemical energy to produce carbohydrates
the portion of Earth and its atmosphere that contains organisms
process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches
the study of the biosphere
an organism that uses chemical or light energy to produce its own food supply
all the organisms in one area and their physical environment
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.