Home
Class 12
BIOLOGY
Why is the polar region not a suitable h...

Why is the polar region not a suitable habitat for tiny humming birds ?

Text Solution

Verified by Experts

Thermoregulation is energetically expensive for many organisms and this is particularly true for small animals like shrews and humming birds.
Promotional Banner

Topper's Solved these Questions

  • SAMPLE QUESTION PAPER 4

    ICSE|Exercise PART II|33 Videos

  • SAMPLE QUESTION PAPER 3

    ICSE|Exercise PART II|56 Videos

  • SAMPLE QUESTION PAPER 5

    ICSE|Exercise PART II (SECTION C) All the questions are compulsory.|6 Videos

Similar Questions

Explore conceptually related problems

Why ground wave propagation is not suitable for high frequency?

Why are the conventional methods not suitable for the assessment of biodiversity of bacteria ?

Why are the conventional methods not suitable for the assessment of biodiversity of bacteria?

Why is water molecule polar ?

A habitat not suitable for primary productivity is

Why is the wing of a bat said to be homologous to the wing of a bird and analogous to the wing of an insect?

(a) What is a soap? Why are soaps not suitable for washing clothes when the water is hard? (b) Explain the action of soap in removing an oily spot from a piece of cloth.

Why is the meter bridge suitable for resistance of moderate values only ?

The equatorial diameter of the earth is greater than the polar diameter. How would the moment of inertia of the earth change if some mass from near the equator were removed and transferred to the polar regions to make the earth a perfect sphere ?

ICSE-SAMPLE QUESTION PAPER 4-PART II
  1. Write the importance of species diversity to the Exosystem. Support yo...

    Text Solution

    |

  2. Explain with suitable examples of ectoparasites and endoparasites.

    Text Solution

    |

  3. Why is the polar region not a suitable habitat for tiny humming birds ...

    Text Solution

    |

  4. What are Sex chromosomes?

    Text Solution

    |

  5. What is recombination? Mention its applications with reference to gene...

    Text Solution

    |

  6. Name the causative organism, transmission and symptoms of pneumonia.

    Text Solution

    |

  7. Describe the characteristics a cloning vector must possess.

    Text Solution

    |

  8. Define Parasitism

    Text Solution

    |

  9. In commensalism

    Text Solution

    |

  10. Define and give one examples of each: Mutualism

    Text Solution

    |

  11. Describe the termination process of transcription in bacteria.

    Text Solution

    |

  12. What is single cell protein ? Give its source and significance.

    Text Solution

    |

  13. Define sacred groves. What is their role in the conservation of biodiv...

    Text Solution

    |

  14. Explain the birth rate and death rate in population with the help of a...

    Text Solution

    |

  15. Represent diagrammatically three kinds of age - pyramids for humn...

    Text Solution

    |

  16. How has biotechnology been useful in controlling nematode infection in...

    Text Solution

    |

  17. What are areas which have been responsible for the recent advances in ...

    Text Solution

    |

  18. Why is Taq polymerase preferred in PCR ? Mention the source of this en...

    Text Solution

    |

  19. Name three assisted reproductive technologies that help infertile coup...

    Text Solution

    |

  20. Explain how this act as contraceptive: Cu-T

    Text Solution

    |