Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Biology Ecology and Environment Organisms and Populations
Association of a hermit crab with a coelenterate, Sea anemone illustrates:
1
proto-cooperation
2
Parasitism
3
Predation
4
More than one of the above
5
None of the above