MCQ
Population termed $r$ - strategists
- ✓Have $J$ - shaped growth curves
- BHave type $III$ survivorship curves
- CAre usually pioneer species
- DAll of these
These tend to have $J$-shaped growth curves until some environmental change causes them to decline usually with in a short time. From an evolutionary point of view, such species have undergone selection to maximize their rate of natural increase and for this reason they are termed as $r$-trategies.
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$R $ : It requires simultaneous plating on two plates having different antibiotics.
$I.$ To minimize their surface volume ratio
$II.$ To minimize heat loss
$III.$ To maximize their surface volume ratio
$IV.$ To maximize heat loss
Choose the correct combination from the given option