Why is there an extensive capillary network associated with each nephron?

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?

What do we call the process when two dominant alleles are expressed and do not blend? a.incomplete dominance b.codominance c.multiple alleles