Give differences: Commensalism and Mutualism.
Commensalism | Mutualism |
$(1)$ One species is benefitted, other remains unaffected. | $(1)$ Both species are mutually benefitted. |
$(2)$ $(+),(0)$ interaction | $(2)$ $(+),(+)$ interaction |
$(3)$ e.g., epiphytes on host plant, clown fish- sea anemone | $(3)$ e.g., rhizobium-legume, mycorrhiza |
Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain direct relation with those trees. Discuss the type of association the lianas have with the trees.
Match the columns :
Column - $I$ | Column - $II$ |
(a) Mutualism | $(i)$ $\quad$ Diapause |
(b) Commensalism | $(ii)$ Hibernation |
(c) Parasitism | $(iii)$ Dormancy |
(d) Predation | $(iv)$ Aestivation |
There is more competition for survival between
Gause's law is true only when
What is brood parasitism ? Explain with the help of an example.