The answer is: "demography" .
__________________________________________________________
The offspring of sexually reproducing organisms are all genetically unique. Because of this, sexually reproducing organisms may have more successful survival of offspring in environments that change than asexually reproducing organisms, whose offspring are all genetically identical.
The advantage that is conferred to algae and plants that have sporopollenin is that they have reproductive cells that are more resistant to desiccation. Remember that a sporopollenin is a polymer that is inert and makes up the outer layer of pollen grains and spores. Sporopollenin<span> is also found in the cell walls of several taxa of green </span>alga<span>, including Phycopeltis </span>
Yes it is a secondary consumer because it is a parasite than lives off of organic molecules made by consumers at any level.
Answer: The taxonomic system that underlies most major modern systems.
Explanation: Carl Linnaeus is the creator of taxonomy, the system of naming and organizing organisms.