A hypersensitive reaction to a specific antigen in the environment is a(n) _ALLERGY_.
The correct answer choice should be B.) The population exceeded past its carrying capacity. Hope this helped!
Answer:genetic variation of offspring
Explanation:
Noncommunicable diseases are diseases that last a long period of time and have slower progression than other sicknesses such as a cold, fever, etc. The most common Noncommunicable diseases for example are, Heart Attack, Stroke, Cancer, diabetes, CHD, and asthma.
Technically this can be answered in a number of ways. But in elementary biology the cell is considered to be the basic unit of life.