NEET UG 2021 — Organisms and Populations

Amensalism can be represented as:

In the exponential growth equation ${N}_{t}={N}_{0}{e}^{\mathrm{rt}},e,$ represents:

Assertion (A): A person goes to high altitude and experiences 'altitude sickness' with symptoms like breathing difficulty and heart palpitations. Reason (R): Due to low atmospheric pressure at high altitude, the body does not get sufficient oxygen. In the light of the above statements, choose the correct answer from the options given below.

Match List$-I$ with List$-\mathrm{II}$. <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">List$-I$</td><td colspan="2" rowspan="1">List$-\mathrm{II}$</td></tr><tr><td>(a)</td><td>Allen's Rule</td><td>(i)</td><td>Kangaroo rat</td></tr><tr><td>(b)</td><td>Physiological adaptation</td><td>(ii)</td><td>Desert lizard</td></tr><tr><td>(c)</td><td>Behavioural adaptation</td><td>(iii)</td><td>Marine fish at depth</td></tr><tr><td>(d)</td><td>Biochemical adaptation</td><td>(iv)</td><td>Polar seal</td></tr></tbody></table>

Inspite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?