Select the correct statement with respect to adaptations.

  • A
    Desert lizards bask in the sun and absorb heat when their body temperature drops below the comfort zone.
  • B
    To stop experiencing altitude sickness,the body compensates for low oxygen availability by increasing the binding affinity of haemoglobin.
  • C
    Mammals of colder climates generally have larger ears and limbs to minimise heat loss.
  • D
    Many desert plants have a thin cuticle on their leaf surface and have their stomata arranged on the upper surface to minimise water loss.

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Similar Questions

Where are tuna fish found in the ocean?

$I.$ Many xerophytic plants have thick cuticle on leaf epidermis and sunken stomata.
$II.$ Some xerophytic plants have a special photosynthetic pathway $(CAM)$ that enables their stomata to close during the day.
$III.$ $Opuntia$ has spines (modified leaves) and a photosynthetic phylloclade (stem).
$IV.$ All adaptations are genetically fixed in all organisms.
Choose the combination of correct statements.

In most animals,the metabolic reactions proceed in a $A$ temperature range (in humans,it is $37^{\circ} C$). But there are microbes (archaebacteria) that flourish in hot springs and deep sea hydrothermal vents where temperatures far exceed $B$. Choose the correct option for $A$ and $B$.

Community is:
$I.$ Group of independent,interacting populations of same species
$II.$ Group of independent and interacting populations of same species in specific area
$III.$ Group of independent interacting populations of different species in a specific area
$IV.$ Group of independent and interacting populations of different species in different area
Select the correct option.

The ecologically fixed and genetically irreversible species are called

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