I believe your answer is B :)
Answer:A habitat is the place where an organism lives while a niche is that organism's role within that environment.
Explanation:
Its important because it tells us the difference between populations and individuals
There are six aorganells in an animal cell. The Nucleus, Ribosomes, Endoplasmic reticulum, Golgi apparatus, Chloroplasts and the Mitochondria.
The answer is Brachial Plexus. Brachial Plexus Injury is the result of pulling or stretching the arm forcibly. Sudden damage to the nerves, weakness, loss of sensation and movement are the most common symptoms of a brachial plexus injury.