Heart and Masseter this says I need to be 20 characters long so I'm making it 20 characters
Answer:
A wolf
Explanation:
Hope this helps! Have a good day
An advantage of conservation is B.
Amino acids are organic im not sure what your options are but if organic is there thats the option!!!
Natural selection is the process where the individuals with better traits survive ( in where they are ) while the individuals with less suited traits for that environment dies.
In your case, wouldn't the answer be something among the lines of "The humans with bigger jaws and more teeth found it difficult to eat or find enough food to satisfy their stomachs"? ( It makes sense. Usually, if the animal has bigger features, like mouth, and more teeth, they would need more food or nutrient to grow those bigger features. If one has bigger/more features, then that typically means they are bigger as well, which also means they need a bit more food. ^^ Yes, my logic is a bit weird, but it helps out. )