MCQ
In-situ conservation refers to:
- AConserve only high risk species
- BConserve only endangered species
- CConserve only extinct species
- ✓Protect and conserve the whole ecosystem
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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?