The correct option is
C Sharing resources between two species
Niche overlap
- Niche refers to the particular functional role an organism plays in the ecosystem.
- The niche of a species encompasses its requirements of physical and environmental conditions (such as, terrain or temperature) and its functional interactions with other species (like competition, predation etc).
- A niche overlap occurs when two species are sharing resources with each other.
Final answer:
(d) Sharing resources between two species