Plants absorb me from the soil through assimilation, I am eaten by animals the animals and plants die and decompose where I am released back into the soil, weathering and erosion cause me to release out of rocks, I then find my way into the ocean being carried by water, I then return to the soil through the water.
S stand for 'synthesis' or 'to make' - the S phase is a phase dedicated to synthesizing material in preparation for division - for example, DNA is doubled during the S phase.
1) d. mitochondria
These are found in both plant and animal cells.
2) b. fluid