When two related populations occupy geographically or spatially separate areas, they are called

Crop rotation is helpful because

Name the term used to describe a single dominant species that dictates community structure

$5^{\text {th }}$ $June$ is celebrated as

Explain competition in detail.

$A$ : Some organisms can maintain internal homeostasis by means of physiological processes and are called
'Regulators'.
$R$ : 'Regulators' can maintain internal homeostasis only upto a limit of stressful conditions.