How can we identify if a karyotype is a male or a female?

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.

When plants use sunlight to make food, the energy of sunlight is

Do plant cells perform cellular respiration?