Describe commensalism.
The tnteraction in which one species benefits and other is neither harmed nor benefited.
An orchid growing as an epiphyte on mango branch.
Barnacles growing on the back of whale benefit while neither the mango tree nor the whale derives any apparent benefit.
The cattle erget and grazing cattle in close association, the erget always forage close to where cattle are grazing because the cattle, as they move, stir up and flush out insects from vegetation that otherwise might be difficult for the ergets to find and catch.
Sea anemone stinging tentacles and clown fish, fish gets protection from predators which stay away from the stinging tentacles, anemone does not get any benefit or is not harmed.
In following which are examples of commensalism ?
$(1)$ Monarch butterfly and bird
$(2)$ Orchid and mango
$(3)$ Fish and flamingo
$(4)$ Calotropis and cattle
$(5)$ Cattle egret and grazing cattle
What is commensalism ?
Find odd one out, according to parasitism.
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
What is brood parasitism ? Explain with the help of an example.