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1.
How many horizons are present in the soil profile?
2.
In ... phase population adopt itself to new environment and starts to increase its number
3.
The association of animals when both partners are benefitted is
4.
Factors which determine to the large extent the vegetation of any area are
I. pH of soil
II. mineral composition of the soil
III. water holding capacity of soil
IV. weather condition
Choose the correct option
I. pH of soil
II. mineral composition of the soil
III. water holding capacity of soil
IV. weather condition
Choose the correct option
5.
The most ecologically relevant environmental factor
6.
The closely related morphologically similar sympatric population, but reproductively isolated are designated as
7.
Term 'ecology' was given by
8.
Regulators are also called
9.
Diapause is
10.
The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show?