Population Size & Ecological Indicators — NEET Biology
📚 Practice ConceptEcological effects of any factors on a population are generally reflected in its size (population density), which may be expressed in different ways (numbers, biomass, per cent cover, etc.,) depending on the species.
Which of the above statements are NOT correct? S1: The size of a population for any species is a static parameter, remaining largely constant over time. S2: Natality refers to the number of deaths in a population during a given period. S3: Immigration contributes to an increase in population density, whereas emigration leads to a decrease. S4: Under normal conditions, births and deaths are generally the most important factors influencing population density. S5: When a new habitat is being colonised, immigration may contribute more significantly to population growth than birth rates.
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