Since nicotine is a form of a stimulant drug, in cigarette smoke it can cause addiction.
Many people who smoke are actually addicted to smoking, and cannot stop doing so easily, which is similar to how drug addicts behave when it comes to using drugs.
The answer is C) Ecological niches become available for organisms to evolve into by adaptive radiation
Answer:
1440
Explanation:
Members except president, secretary and joint secretary = 9−3=6
Their arrangement = 6!
No. of arrangements of secretary and joint secretary at wto places
=2!=2
Total arrangement =2×6!
2 x 6! = 1440
The answer is d. dormancy.
Dormancy is physiological condition during which growth and development are temporarily stopped. The aim of this condition is to preserve energy by minimizing metabolic activity, usually because of inadequate environmental conditions.
Dispersal refers to movement of individuals from one site to another. Fertilization means a fusion of gametes to develop a new organism.
Germination is a process of growing plant from a seed.
