Identify the green dot that best shows where the common ancestor of the parrot in a tuna existed

1. a

2. b

3. c

4. d

b because they naturally adapt to their environment plz mark brainliest

explanation:

most community's take hundreds of years to become stable

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

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%