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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$5 'ATTGCAAT3'$
$I$. Lymphocytes are obtained from the patients
$II$. Lymphocytes are transferred to the culture dishes
$III$. Lymphocytes are transfected with the normal $ADA$ genes
$IV$. The transfected cell are returned to the patients
The chronological order should be
$(a)$ The cattle egret and grazing cattle
$(b)$ Barnacle balanus and Barnacle chathamalus
$(c)$ Goat and Abingdon turtle from Galapagosisland
$(d)$ Barnacles growing on the back of whale