It is much easier for a small animal to run uphill than for a large animal, because
small animals have a lower $O_2$ requirement
smaller animals have a higher metabolic rate.
it is easier to carry a small body weight
the efficiency of muscles in large animalsis less than in the small animals
Observe the set of $4$ figures $A$, $B$, $C$ and $D$ and, answer the following questions
$(i)$ Which one of the figures shows mutualism ?
$(ii)$ What kind of association is shown in $D$ ?
$(iii)$ Name the organisms and the association in $C$.
$(iv)$ What role is the insect performing in $B$ ?
$I.$ Some species of insects and frogs are critically coloured (camouflaged)
$II.$ Some animals are poisonous
$III.$ Monarch butterfly are distasteful
The above adaptations are against
$A$ : Cattle or goat never graze on Calotropis.
$R$ : Thorns are present as a morphological means of defence
Name important defence mechanisms in plants against herbivory.
Gause's law is true only when