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.
everything is made up of atoms. Atoms consist of the. nucleus and negatively charged particles surrounding. the nucleus called electrons. Inside of the nucleus. are protons(positively charged particles)and neutrons. neutral particles). If the atom is not an isotope we. know that there must be an equal amount of protons and. neutrons. We also know that there has to be at least. one proton and one neutron inside of the nucleus.