Question

differentiate between pollen grain and embryo​

Answer 1

Explanation:

When the embryo sacs have one, two, four, or eight nuclei, the pollen grains have a single and eccentrically located nucleus. ... By the time the embryo sac has proliferated antipodal cells, the pollen grains are two-nucleate. When the embryo sac becomes mature, the pollen grains are in the three-nucleate stage