Oxygen is produced during photosynthesis. what is the source of this oxygen inside the plant?
a. air spaces in the leaf
b. carbon dioxide
c. glucose
d. water

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.

In pea plants, the allele for inflated pod seed, i, is dominant over the allele for constricted pod seed, i. the punnett square shows a cross for this trait. which offspring will be homozygous dominant

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?