The star at the center of our solar
system, which we call "Sun", is very
important to supporting life on Earth.
Earth would not be the Goldilocks planet.
Name 2 ways in which the sun is a
important to the Earth in keeping us
all alive. Consider what the Sun gives
or does for the Earth :

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.

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.