The macronucleus is the larger elipse-shaped nucleus and takes care of
functions like respiration and digestion. In contrast to this, the
smaller micronucleus is only involved in cell division or reproduction.
Food contains nutrients;however some foods is a better/richer sorce than others.
Using things such as the internet. For example, if a scientist wanted feedback, he could turn to an org of other scientists across the globe and get their help.
<span>A species has to adjust rapidly to a changing environment. </span><span>Mitosis relies solely on mutations which, due to the high rate of reproduction imparted by such a simple system, do occur regularly but there is less room for adaption as the organism is mostly stuck with variations on one set of genes - most of which will be fatal.</span>