A trait that is carried on any chromosome besides the X or Y chromosome is called <u>autosomal trait</u>
Option b is the correct answer
The sequence of event for the evolution of the atmosphere: 1. meteorite bombardment 2. Volcanic Outgassing 3. Oceans Form 4. Banded Iron Formations Created 5. cyanobacteria evolve 6. Oxygen increases in atmosphere 7. Eukaryotes evolve
The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelope them.
