So that way he wouldn't get mixed or off balance results i think
All of these birds share a common ancestor
Hope i helped :3
Answer: A
Explanation:
They need to be inherent through Mom and Dad not randomly.
Two atoms of oxygen element are represented as "20". The two oxygen atoms are unreactive state and are unstable readily reacts and form molecules.
O₂ reprersents one molecule oxygen. When the two oxygen atoms reacts with each other forms one molecule of Oxygen. After the formation of Oxygen molecule, it (oxygen) has got stability.