MCQ
Ecological niche is:
- AThe surface area of the ocean.
- BAn ecologically adapted zone.
- CThe physical position and functional role of a species within the community.
- DFormed of all plants and animals living at the bottom of a lake.
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$(I)$ Vertebrate hearts.
$(II)$ Vertebrate brains
$(III)$ Thorn and tendrils of Bougainvillea andcucurbita respectively
$(IV)$ Vertebrate limbs.
The correct combination is

