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.
Answer:
viral envelope
The phospholipids in the viral envelope are similar to those in the plasma membrane of an infected host cell. The viral envelope is, in fact, derived by budding from that membrane, but contains mainly viral glycoproteins.
Answer:
silica
Explanation:
Diatoms are microscopic organisms. they have shell that is made from organic compounds and silica.Diatoms contain silica in their cell walls. This material is used industrially in the production of toothpastes, silver polishes, and swimming pool filters. Silica is used to remove stains and debris.
E-cool is a bacterium that occurs naturally in the intestines of people and animals