Guanine and adenine hope that helps I think
It's ADAPTIVE RADIATION because it is <span>the diversification of a group of organisms into forms filling different ecological niches.</span>
B: An annual weather pattern
Chromosomal alterations are mutations that change chromosome structure. Point mutations change a single nucleotide. Frameshift mutations are additions or deletions of nucleotides that cause a shift in the reading frame.
An opinion is a view or judgement formed about something that doesn't have to be based on fact or knowledge.<span> It is a completely subjective</span> statement (based on or influenced by personal feelings, tastes, or opinions). It reflects the speaker's personal views and thoughts.<span>
An observation is the process or action of observing something or someone carefull in order to gain information. </span>It is generally an objective comment (<span>not influenced by personal feelings or opinions in considering and representing facts)</span><span>; the person making it does not wish to express a personal opinion on the subject but merely makes an observation regarding it.
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