MCQ
The rule of embryonic development was given by:
- AVon Baer
- BHaeckel
- CWallace
- DMorgan
Explanation:
The blastula stage of embryonic development and the notochord was discovered by Karl Ernst von Baer Hutton.
The theory of the development of germ layers (ectoderm, mesoderm, and endoderm) was described by Von Beer along with other scientists.
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$(I)$ Use of bio resources by multinational companies and organization without proper authorization from the country and people concerned compensatory payment.
$(II)$ Traditional knowledge related to bio-resources can be exploited of Their bio-resources.
$(III)$ Nations are developing laws to prevent the unauthorized exploitation of Their bio-resources.
$R$ : Detrivores like fungi and bacteria are major decomposers in such food chains.