The Add to Dictionary function in Meg's word processor will remove the highlight of that word as a spelling mistake.
Video: DNA: Adenine, Guanine, Cytosine, Thymine & Complementary Base Pairing. Learn the language of nucleotides as we look at the nitrogenous bases adenine, guanine, cytosine and thymine.
Native shellfish populations have dramatically decreased as they are outcompeted by the crabs, causing a decrease in biodiversity.