. I think that bivalves have evolved to have smaller head regions because they have also evolved to have bigger shells or valves than cephalopod
Answer:
Independent variable - time. Dependent variable - the distance moved by the bubble along the capillary tube. Control variables - temperature, air flow or draughts, adequate supply of water.
It would be 75% because that is 3/4, the chances of dominant offspring.
<span>2) higher genetic variation among the offspring</span>
