I need a lot of help please

What two fields of study provide the core information that is used to classify organisms?

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.

During binary fission, what events must occur before the cell splits into two new cells?