I. High birth rate and high immigration rate
II...
I. High birth rate and high immigration rate
II. Low birth rate and high immigration rate
III. Low mortality rate and low emigration rate
IV. High mortality rate and high emigration rate.
Which combination of the above can cause rapid over-crowding in climax biotic communities and human settlements?
II and III
I and III
I and IV
I and II
Correct answer is B
Low mortality rate, high birth rate, high immigration rate and low emigration rate are causes for rapid overcrowding.
Placenta is the structure formed ...
Which of the following activities is against the conservation of natural resources? ...
Trypanosomiasis is associated with ...
One of the following is not the theory of natural selection stated by Charles Dawin ...
The vessel that carries blood from the heart to the lungs is called an artery because it ...
Food webs are complex because ...
The circulation of blood to all parts of the body except the lungs is through? ...