Use the following information to answer the questions below.
The Brazil nut tree,Bertholletia excels (n = 17),is native to tropical rain forests of South America.It is a hardwood tree that can grow to over 50 metres,is a source of high-quality lumber,and is a favourite nesting site for harpy eagles.As the rainy season ends,tough-walled fruits,each containing 8-25 seeds (Brazil nuts),fall to the forest floor.About $50 million worth of nuts are harvested each year.Scientists have discovered that the pale yellow,self-incompatible flowers of Brazil nut trees admit only female orchid bees as pollinators.
-Animals that consume Brazil nuts are deriving nutrition mostly from tissue whose nuclei have how many chromosomes?