Answer:
Commensalism is a long-term biological interaction (symbiosis) in which members of one species gain benefits while those of the other species neither benefit nor are harmed.
Explanation:
I believe the answer would be the inheritance of units or factors from both parents.
Answer:
Those that are able to acquire their food and shelter needs in order to survive and reproduce.
Explanation:
Answer:
When calcium concentration increases during depolarization, it shifts the conformation of troponin and tropomyosin, and actin is able to associate with myosin. As calcium is taken up again by the sarcoplasmic reticulum the muscle cell relaxes.