Answer:
Habitat Isolation
Explanation:
Ecological, or habitat, isolation occurs when two species that could interbreed do not because the species live in different areas.
If a burning splint is placed in a container and burns more brightly in the presence of some gas already in the cylinder, that gas would probably be Oxygen.
Oxygen is the main component of air that we need to breathe. It is the most commonly available oxidizer. Besides combustion, it plays many roles in our life such as; the food we eat requires oxygen which helps in digestion and absorption of nutrients by the cells.
The answer is withdrawal symptom. This is caused by the abrupt discontinuation or decrease in intake of medications or recreational drugs, in this case, alcohol. It begins with substance dependence where the body of the subject adapts to a state of repeated alcohol administration. WIthdrawal offsets the body of its balance hence cravings and withdrawal symptoms.
