How does speciation occur between a gray tree frog and green tree frog

can some one plz help me

Adaptations through natural selection. Frogs that are green are more likely to survive in a green environment where they can camouflage, and frogs that are gray are more likely to survive in a gray environment.

atp is used for energy.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides