Answer:
Flagellated sperm swims to egg in water drop.
Explanation:
The seedless land plants reproduce through the production of unicellular haploid cells which disperse easily because it is light weight. The male antheridium releases sperm. This sperm has flagella which is use for swimming in water or moist environment to the female archegonia to fertilize it and produce embryo. This embryo develop in the sporophyte.
The algae sperm also have flagella for swimming in water to meet and fertilized the egg to produce embryo.
Because of the nitrogen cycle all of the above answers are correct
Darwin explained that evolution occur due to natural selection.
One reason is because the short days and long nights prevent the earth from warming up, another reason could be because the sun's rays in winter are more spread out thus minimizing the amount of energy
