Answer: The endosymbiotic theory explains the Origin of the first prokaryotic cells
D. Origin of the first prokaryotic cells
Explanation:
These two apply.
1.) The sporophyte of seed plants is photosynthetically independent.
2.) In seed plants, dispersed spores contain a multicellular gametophyte.
Answer:
Difference between the two polysaccharides cellulose and starch are the following :
1) Both cellulose and starch are formed from glucose. The difference is that cellulose is formed from beta glucose while starch is made up of alpha glucose.
2) Starch is the storage form of glucose in plant body parts such as roots, leaves etc while Cellulose is present in the cell wall of plant body.