Which of the following molecules do plants need to carry out photosynthesis?

carbon dioxide

Explanation:

Carbon dioxide proceeds to enter through the tiny holes in a plants leaves, roots, stem or flower. The other things it needs to carry out the process of photosynthesis includes; water and sunlight.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.