Using the symbols to represent positive (+), negative (-), and neutral (0), which correctly represents interactions between species one and species two, respectively?
A) mutualism - -, competition + -, predation + 0, commensalism 0 -, amensalism + +
B) mutualism + -, competition + 0, predation 0 -, commensalism + +, amensalism - -
C) mutualism + +, competition - -, predation + -, commensalism + 0, amensalism - 0
D) mutualism + 0, competition 0 -, predation + +, commensalism - -, amensalism + -
E) mutualism + -, competition 0 +, predation - -, commensalism + +, amensalism 0 -

Question

Quizplus · Accepted Answer

- Mutualism: both species benefit from the interaction, represented by + + 
- Competition: both species are negatively affected by the interaction, represented by - - 
- Predation: one species benefits (+) by consuming the other species, which is negatively affected (-), represented by + - 
- Commensalism: one species benefits (+) while the other is not affected (0), represented by + 0 
- Amensalism: one species is negatively affected (-) while the other is not affected (0), represented by - 0

Choice C accurately represents these interactions.

Using the Symbols to Represent Positive (+), Negative (-), and Neutral