Whales have horizontally positioned tales opposed to fish and they swim in an up and down type of motion to move, where as fish are the exact opposite flexing and turning their body left and right with their vertical tale to move.
Whales have bigger mouths to eat large schools of krill (their main source of food)
And also, whales are mammals, and breathe with their lungs, whereas fish use gills to breathe underwater. I hope this helped! Please mark Brainliest!
Allele frequency:
Number of times an allele occurs in a gene pool compared with the number of alleles in that pool for the same gene
Ammonia (NH3) is inorganic and would be the answer to your question
