Nitrogen is not a product of photosynthesis
The pollen grain is actually the male gametophyte generation of seed plants. Inside the anther, pollen mother cells divide by meiosis to form pollen grains whose nuclei contain half the number of chromosomes characteristic of the parent plant.
(hope that helped answer the question)
Answer:
That they lack true leaves and roots I hope this helps you! :D
<span>The name Mesopotamia comes from the Greek for 'middle' and 'river,' and meant'' between the two rivers ''</span>
