I need someone that’s willing to me help me with my science work but ... do y’all know this answer ?

As a small change in a person's dna can cause a genetic disorder

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

The image shows a group of fish. the type of social behavior shown in the image is called