Anyone have tips for taking care of bonsai??

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?