What are the 2 parts of the pollen sac?
A. Spongy and parenchyma cells
B. Outer wall and central tissue
C. Schlerenchyma and parenchyma cells
D. Outer wall and parenchyma cells
Answer:B
What are the 2 parts of the pollen sac?
A. Spongy and parenchyma cells B. Outer wall and central tissue C. Schlerenchyma and parenchyma cells D. Outer wall and parenchyma cells