Which cause of evolution involves new alleles entering a gene pool

Which of the following systems in absorbing oxygen and releases carbon dioxide

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

Do you think the gene eef1 alpha1 supports cell theory? explain your response.