Only answer if you know it? If there is a 22 nucleotide base sequence difference for a gene found in both humans and penguins, what is the estimated mutation rate for that gene (your answer should be in #of mutations per million years). Use the phylogenic tree shown and SHOW YOUR WORK.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

thinking it would be fimbriae

idk about that one.