Accessory organs of the digestive system include all the following except ___

In what for do plants utilize nitrogen? why do they need nitrogen?

Match the following items 1. rr 2. rr 3. identical alleles 4. unlike alleles 5. rr ()homozygous, recessive ()homozygous definition ()heterozygous, dominant cell ()heterozygous definition () homozygous, dominant cell

Explain the significance of meiosis in sexual reproduction