MCQ
Population growth of a country depends upon
- ABirth and death rates
- BDeath rate and emigration
- CBirth rate and emigration
- ✓All of the above
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$(A)$ The earliest organisms that appeared on the earth were nongreen and presumably anaerobes.
$(B)$ The first autotrophic organisms were the chemoautotrophs that never released oxygen.Of the above statements which one of the following options is correct?
$a$ - Sacred grooves are part of in situ-conservation
$b$ - Zoological parks are approach for in situ-conservation
$c$ - In this approach ecologically unique and biodiversity rich regions are legally protected.