Compare all the organisms. what trend do you see?

C.) The proportions of DNA bases are similar among all organisms.

DNA that is deoxyribonucleic acid is the building block of chromosomes or life. The DNA is made up of 4 nucleotide that are adenine (A), cytosine (C), guanine (G) and thymine (T). The proportion of the DNA bases are similar among all organisms irrespective of being a plant or animal.

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

the part of the wave he is travelling on is the crest