The branch of biology dealing with interactions along organisms and between organisms and their environment is called Ecology, I believe.
It is a virus; they are not a type of cell
<span>The synthesis of proteins takes two
steps: transcription and translation. Transcription takes the
information encoded in DNA and encodes it into mRNA, which heads out of
the cell's nucleus and into the cytoplasm. During translation, the mRNA
works with a ribosome and tRNA to synthesize proteins.</span>
ok this one is easy. the measurments are dividing by 2
2,1,.5,.25
so it would be
C: 0.2 meter.