Reduce activity to slow down metabolism until better conditions return, as this will reduce its oxygen requirement.
Evolution does not occur in a straight line with one species another in a series of orderly steps with living species that are closely related share a common trait. I hope my answer has come to your help. God bless and have a nice day ahead!
The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood.
The eggs will have 5 chromosomes and the sperm would have 5 chromosomes because when they combine, they equal to a total of 10 chromosomes.