Answer:
Freshwater
Explanation:
Protonephridia are made up of many flame cells. Flame cells are specialized excretory cell found in the simplest freshwater invertebrates like flatworms.
Answer:
B If fertilizer is given to plants, then those plants
will grow faster than plants not given fertilizer.
Archaea means ancient, bacteria are, well, minuscule organisms that live everywhere, and eukarya are organisms with cells that have a nucleus as well as membrane-bound organelles... my best guess if it is planets you mean, then the answer would be archaea, if it is plants, like flowers or such, then it is eukarya.
I hope this helps!
The theory of spontaneous generation exclaimed that living organisms could arise from non-living matter.
Schwann affected this theory by demonstrating that fermentation required the presence of yeasts to start and that was not caused by oxygen as was speculated.
Schwann concluded by his experiments that sugar was converted to alcohol as part of an biological process based on the action of a living organism - the yeast.
