Is a robot an open, closed, or isolated system?

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

Biology ! the conversion of inorganic carbon to organic carbon by plants during photosynthesis is known as _[blank]_. filtration immigration reabsorption primary production