The haploid chromosomes would condense and chromosomes would move to the equatorial plane
Answer: Alveoli
Explanation: Alveoli of lungs are surrounded by extensive blood capillaries. The partial pressure of oxygen in the alveoli is higher than the blood entering the pulmonary capillaries, hence oxygen moves into the blood. Carbon dioxide in the lungs simultaneously diffuse out of the blood into the alveolar space.
The theory is the Continental drift, the super-continent is called the Pangaea.
The second question has the answer of A
I'm pretty sure it's recessive?