MCQ
Ecosystem is defined as
- ARelation between plants and animals
- ✓Relation between biotic and physical components
- CRelation between producers and decomposers
- DNone of these
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$I.$ Sweet potato
$II.$ Potato
$III.$ Filippers of penguins and dolphins
$IV.$ Hearts of different vertebrate
$V.$ Forelimbs of whales, bat and cheetah
The correct option is
Reason : Transplanted tissue has antigens which stimulate the specific immune response of the recipient.