What are the benefits of correlation in relation to relative age?

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.

The assembly called for a "bill of rights" that would list u.s. citizens'

If this person had son,what,sex chromosome did they give their son? a.x b.y c.neither d.we need more information to know for sure