Which of the following is NOT a cell form seen in methanogens? Choose one: A. Spirillum B. Coccus C. Bacillus D. Spirochete

answer; /// i believe the correct answer is (reactants);

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

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.

well, i believe that the answer is 2. : 3