Why do you think that Darwin's principle of natural selection was important and how did it relate to future ideas of biological evolution.

Explanation:

everything can be found in the picture

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

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.