MCQ
Ecological niche is:
- AThe surface area of the ocean.
- BAn ecologically adapted zone.
- ✓The 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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Reason : Adaptive forms of a given trait tend to become more common; less adaptive ones become less common or disappear.
Evolutionary biologists believe that the 'success' of mammals is largely due to their ability to maintain a constant body ...$D$... and thrive whether they live in Antarctica or in the Sahara desert
Choose the correct option for $A , B , C$ and $D$