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What is dispersal? How does it effect th...

What is dispersal? How does it effect the population size and population density?

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Dispersal is the movement of organisms away from its habitat to the new areas.
It will lead to decrease in the population size and hence population density in a particular area or habitat.
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BETTER CHOICE PUBLICATION-ORGANISMS AND POPULATIONS-SHORT ANSWER TYPE QUESTIONS
  1. Define population. List two main characteristics of population.

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  2. Define carrying capacity. Mention two causes for rapid growth of human...

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  3. What is dispersal? How does it effect the population size and populati...

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  4. What is growth curve? Differentiate between S-shaped growth curve and ...

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  5. Define biome. Name one terrestial and one aquatic biome.

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  6. Explain briefly about mutualism with one example.

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  7. Write a short note on legume-Rhizobium symbiosis.

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  8. Explain briefly about: Ecological niche

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  9. Differentiate between Endothermic and Ecothermic animals. Give one exa...

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  10. Differentiate between Heliophytes and Sciophytes. Give one example eac...

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  11. What is mutualism and predation

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  12. Write any two differences between Natality and Mortality rate of popul...

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  13. What is carrying capacity? Mention two causes for rapid growth of huma...

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  14. How are biotic potential, environmental resistance and carrying capaci...

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  15. Define the terms :- (a) Carrying capacity, (b) Mortality rate, (c) D...

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  16. "Environmental temperature is rising." Comment on this statement.

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  17. How do the plants adapt to water scarcity?

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  18. How do plants adapt to Saline environments?

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  19. Draw population growth curve and explain briefly.

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  20. Describe the effect of light on physiology of plants.

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