The greatest level of biodiversity in the tropical rainforest is found in the

a.) top canopy
b.) second layer of the canopy
c.) third layer of the canopy
d.) the ground

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.