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Population growth is determined by age structure, which includes three categories: (i) Pre-reproductive (young individuals) (ii) Reproductive (mature individuals capable of reproduction) (iii) Post-reproductive (old individuals no longer reproducing) Expanding Population – More young individuals than mature ones, leading to future growth. Declining Population – Fewer young individuals than mature ones, leading to a decrease over time. Stable Population – Equal numbers of young and mature individuals, meaning birth and death rates are balanced, keeping the population size steady. Extinct Population – No individuals left in the population. Since the given scenario describes a balance between young and mature individuals, it indicates a stable population where the size remains constant over time. Hence, the correct answer is (3) Stable population.
Which one of the following Soil crusting is a problem?
A classical example of anadromous fish affected due to obstruction of the migratory pathway by dams is……………..
All of the following are considered to be drawbacks of local marketing EXCEPT:
The 17th nutrient added to the list of essential elements is
The Beaufort scale is for describing
The stage of mitosis during which the chromosomes condense and become visible is called:
Which cooperative bank acts as a link between state cooperative bank and primary agricultural cooperative Society?
_______ which contain the anti-cancer drugs vincristine and vinblastine are mainly used for defense against herbivory by plants.
Sequence the principal stages of biological nitrogen fixation in their correct order of occurence-
(A). Formation of infection thread
(B)....
Conversion of glucose to glucose-6-phosphate, is catalyzed by__________
