Saturated fatty acids are chains of single bonded carbons surrounded by hydrogen atoms.
Unsaturated fatty acids have bent structures due to double bonding between carbon atoms in the chain. When carbons create double bonds with each other they are no longer able to hold as many hydrogens as a saturated fatty acid
Im not 100% sure but the best answer I can give is Prokaryotes because they came to be around the time oxygen did as well.
The answer is “Trypanosoma”. The word “Trypanosoma” comes
from the Greek words trypanon and soma, which means auger and body, or auger
body. A Trypanosoma moves through an undulating membrane connected to a
flagellum. Trypanosoma comes from a genus of kinetoplastids, it is known to be
a monophyletic cluster of single-celled parasitic flagellate protozoa.
Answer:
Make up the skull and composed of the brain
Explanation:
