Statements
$I.$ Recent studies support competition as suggested in 'Gauses's Competitive Exclusion Principle'
$II.$ Gause's hypothesis says if two species compete for same resources then one will be eliminated by another species
$III.$ More recent studies point out that species facing competition might evolve mechanisms that promote co-existence rather than exclusion
$IV.$ Gause's competitive exclusion principle is effective when resources are in excess
$V.$ Unlimited resources give better opportunity for adaptation
Choose the correct combination of statements
$I, II$ and $III$
$II, III$ and $IV$
$III, IV$ and $V$
$I, IV$ and $V$
Match the column $I$ and $II$
Column - $I$ | Column - $II$ |
$(a)$ Parasitism | $(i)$ $++$ |
$(b)$ Commensalism | $(ii)$ $+-$ |
$(c)$ Amensalism | $(iii)$ $0+$ |
$(d)$ Mutualism | $(iv)$ $0-$ |
In an association of two animal species, one is a termite which feeds on wood and the other is a protozoan Trichonympha present in the gut of the termite. What type of association they establish ?
Competition occurs when
In stable population predation
Commensalism is the interaction in which