Q. Which of the following is correct I. In a population, birth rate and death rate refer to per capita births and death respectively II. In nature, we rarely find isolated single individuals of any species III. The size of population for any species is stable phenomena IV. Ecological effects of any factors on a population growth are generally reflected in its size/population density
A) I and II
B) II and III
C) I, II and III
D) I, II and IV
Explanation
Size of population keeps on changing due to various factors or phenomena like birth rate, death rate, emigration or immigration. So, it is a dynamic phenomena rather than stable
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.