1 When deep sea animals look up toward the oceanâs surface, they see other animals overhead as dark shapes against a lighter background. 2  But by lighting two rows of photophores on its underside, this deep sea fish avoids casting its shadow on predators belowââand can virtually disappear.
The genetic material is contained in chromosomes which are within the nucleus of the cell. Yes. The genetic material is contained in chromosomes which are within the nucleus of the cell.
The term parent material can be used in geology, chemistry or radioactivity for three of many examples. In Earth science and geology, it may refer to mineral composition that weathers easily can produce more soil, for example. In nuclear physics, it is the radioactive material that decays to produce daughter nuclei.