It is with sperm and eggs, which are housed in spores in both species, so I’d say spores is the safest answer.
A because when the little fish die they sink to the bottom, and after time the skeletons build up on top of each other.
Exhaled air has more carbon dioxide because the blood contains some carbon dioxide (a waste product) that is transferred to the air in the lungs, which is then exhaled. The result is that the exhaled air contains less oxygen and more carbon dioxide than the inhaled air. The air in the lungs also becomes humidified with water before it is exhaled.
Hello there ^ _ ^
I believe the answer is : A - Evolution
Good luck!
