First of all you are giving 20 but i will still answer.while some animals and humans are mammal's they are totally different.How? because comparing the body's of animals that are mammal's and humans you may see some similarity but you can also see some difference like the anus.but final answer is NO malas and humans are not the same
They use a formula and that formula is
People/Land Area=Population Density
I think it’s DNA molecule
