App Logo

No.1 PSC Learning App

1M+ Downloads
ഇനിപ്പറയുന്നവയിൽ ഏതാണ് ഒരു നിശ്ചിത ആവാസവ്യവസ്ഥയിലെ ജനസംഖ്യയുടെ സാന്ദ്രത കുറയ്ക്കുന്നത്?

Aഇമിഗ്രേഷൻ > എമിഗ്രേഷൻ

Bജനനവും കുടിയേറ്റവും

Cജനനം > മരണനിരക്ക്

Dമരണനിരക്കും കുടിയേറ്റവും

Answer:

D. മരണനിരക്കും കുടിയേറ്റവും


Related Questions:

Which among the following represents the “producers” in an ecosystem?

Identify the factors contributing to the high oxygen content in the surface layer of water.

  1. High rates of respiration by aquatic organisms.
  2. Maximum production of oxygen through photosynthesis.
  3. Limited contact with the atmosphere, reducing oxygen diffusion.
  4. Presence of decomposers actively consuming oxygen.

    Which of the following statements correctly defines 'Decomposition'?

    1. Decomposition refers to the physical and chemical breakdown of detritus or dead organic matter.
    2. Decomposition is solely the process of converting living organisms into their basic chemical elements.
    3. The process of decomposition primarily involves the synthesis of new complex organic compounds.

      What is the primary process described in the provided text regarding lake water circulation?

      1. Lake water circulation occurs annually in summer and winter.
      2. The process of overturn involves the mixing of lake water layers.
      3. Overturn primarily helps in distributing dissolved gases and nutrients within the lake.
      4. Overturn is a process exclusive to tropical lakes.
        Which of the following is NOT a type of aquatic ecosystem?