The endosymbiotic hypothesis concerns the origin of mitochondria and chloroplasts, two organelles contained within various eukaryotic cells. According to this hypothesis, these organelles originated as separate prokaryotic organisms that were taken inside a primordial eukaryotic cell.
A mountain lion should have wider bone rings because it has a higher metabolic rate, and thus a faster growth rate
: )
The scientific term of a fat cell is an adipoctye.
Answer:
c) phloem-sieve plate, sieve tube, companion cell
