What is a lava flow with a surface of rough, jagged blocks and sharp, angular projections called?

the eggs of the insects should be the first thing collected at the scene.

false

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.