What organelle communicates within the cell?

What is called the "building block" of life?

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?