A pi bond is a bond formed by the overlap of orbitals in a side-by-side fashion with the electron density concentrated above and below the plane of the nuclei of the bonding atoms. ... Three sigma bonds are formed from each carbon atom for a total of six sigma bonds total in the molecule.
Breaking down glucose
Maintaining stable internal conditions
Increasing an organism's temperature
the third one i did the test
Maintaining stable internal conditions
how can the environment be organized into levels from complex to simple