MCQ
Which of the following would necessarily decrease the density of a population in a given habitat?
- ANatality > mortality
- BImmigration > emigration
- CMortality and emigration
- DNatality and immigration
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$I$. Pelvic inflammation disease
$II$. Abortion
$III$. Still birth
$IV$. Ectopic pregnancies
$V$. Infertility
$VI$. Cancer
Choose the correct combinations