When one organism is benefitted without affecting the others is called
Parasitism
Commensalism
Saprophytism
Symbiosis
Predation is
Level of competition between species depends on
$I.$ availability of resources
$II.$ population density
$III.$ group interaction of organism
Choose the correct combination
In an aquarium two herbivorous species of fish are living together and feeding on phytoplanktons. As per the Gause’s Principle, one of the species is to be eliminated in due course of time, but both are surviving well in the aquarium. Give possible reasons.
Select the statement which explains best parasitism.
Fill in the blanks
Species $A $ | Species $B$ |
Type of Interaction | Example |
$+$ | $-$ | $(a)$ | $(b)$ |
$+$ | $+$ | $(a)$ | $(d)$ |
$+$ | $(e)$ |
Commensalism |
$(f)$ |