Give scientific reasons : The thermoregulation more effectively achieved in larger animals than in smaller ones.
Larger animals such as birds and mammals are able to maintain constant body temperature by physiological means. These have more volume and smaller surface area as compared to smaller animals.
What is the basis of variations in the physical and chemical conditions of different habitats?
A characteristic which enables an organism to live in an environment is called
Body compensates low oxygen availability at high altitudes by
$I.$ increasing $RBC$
$II.$ decreasing binding affinity of haemoglobin
$III.$ increasing binding affinity of haemoglobin
$IV.$ increasing breathing rate
$V.$ decreasing breathing rate
Choose the correct option for given statement
Sheet erosion is caused by