| Name of interaction | Species A | Species B |
| Mutualism | + | + |
| Protocooperation | + | + |
| Amensalism | - | 0 |
| Commensalism | + | 0 |
| Competition | - | - |
| Parasitism | + | - |
| Predation | + | - |
If ' + ' sign is assigned to beneficial interaction, ' – ' sign to detrimental and ' 0 ' sign to neutral interaction, then the population interaction…
NEET UG 2016 — Zoology Organisms and Populations
2016mcqeasy
If ' + ' sign is assigned to beneficial interaction, ' – ' sign to detrimental and ' 0 ' sign to neutral interaction, then the population interaction represented by '+' '-' refers to
Official previous-year question
Held on 30 Apr 2016 · Verified 9 Jul 2026.
Options
- A
Mutualism
- B
Amensalism
- C
Commensalism
- D
Parasitism
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