Answer:
Four kingdoms out of six are eukaryotic organisms.
Explanation:
Eukaryotic organisms are those organisms which have true nucleus. True nucleus means that the membrane is present around the nucleus in the cell. Organisms of kingdom protista, fungi, plantae and animalia are eukaryotic organisms while Eubacteria and archaea have prokaryotic cell i. e. no membrane around the nucleus in the cell.
Mostly fossils such as Animals with hard shells and bones. get fossilized
Answer:
nitrogen is an essential nutrient for sustaining life on earth, without it, plants would die, then herbivores due to starvation, and so on
Explanation:
