Which one of the following is not a parasitic adaptation?
Development of adhesive organs
Loss of digestive organs
Loss of reproductive capacity
Loss of unnecessary sense organs
Choose correct group for commensalism from the following
$(a)$ The cattle egret and grazing cattle
$(b)$ Barnacle balanus and Barnacle chathamalus
$(c)$ Goat and Abingdon turtle from Galapagosisland
$(d)$ Barnacles growing on the back of whale
Name important defence mechanisms in plants against herbivory.
The principle of competitive exclusion was stated by
Which of the following is incorrect w.r.t. competition?
Definitions / Explanation : Key stone species