Answer:
D
Explanation:
A robin building a nest is not learned or taught like the others. It is just instinctive for robins to build nests.
The endosymbiotic theory states that some of the organelles in eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are the same size as prokaryotic cells and divide by binary fission.
Answer:
C
Explanation:
It would cause flaccid paralysis (relaxed muscles unable to contract).