In predation and parasitism type of interactions only one species benefits and the other species is harmed.
| Species A | Species B | Name of interaction |
| + | + | Mutualism |
| − | − | Competition |
| + | − | Predation |
| + | − | Parasitism |
| + | 0 | Commensalism |
| − | 0 | Amensalism |
While explaining interspecific interaction of population, (+) sign is assigned for beneficial interaction, (-) sign is assigned for detrimental…
NEET UG 2022 — Zoology Organisms and Populations
2022mcqeasy
While explaining interspecific interaction of population, (+) sign is assigned for beneficial interaction, (−) sign is assigned for detrimental interaction and (0) for neutral interaction. Which of the following interactions can be assigned (+) for one species and (−) for another species involved in the interaction?
Official previous-year question
Held on 30 Apr 2022 · Verified 9 Jul 2026.
Options
- A
Amensalism
- B
Commensalism
- C
Competition
- D
Predation
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