Okay, biology isn't exactly my strongest subject (it never has been), but I'm pretty sure the answer is nucleotides. DNA is made up of nucleotides. Each nucleotide contains a phosphate group, a sugar group, and a nitrogen base. There are four different nitrogen bases: adenine (A), thymine (T), guanine (G), and cytosine (C). A always pairs with T, and G always pairs with C.
one species using another as a food source, typically killing it
<span> species, genus, phylum</span>
Wind please tell me if it’s wrong or right and heart this if it is right please
C) to lessen his/her personal introduction of atomspheric CO2
