Fill in the blank:

Gene density is ____ per Mb in __________ of an species. Gene is fundamental, physical and functional of ________. In human cells gene density is _____ (low or high)

Suppose you were studying several species of monkeys. In one, males never helped females raise offspring. In another, males provided just as much parental care as females except for actually carrying the fetus during pregnancy. How does the fundamental asymmetry of sex compare in the two species? How would you expect sexual dimorphism to compare between the two species?

How are ecological niches fundamental and to species distribution? How do different niche models affect species distribution?