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Stack #4439426
| Answer | Question |
|---|---|
| Mutualism | + + | Both gain | what is ++ (both gain) |
| mutalism | Example: Ants protect a tree and it gives food to the ants |
| Commensalism | + 0 | One gains, other not affected | what is +0, one gain one not affected |
| commensalism | Example: A bird nests in a tree |
| Amensalism | - 0 | One loses, other not affected | what is -0, one loses other not affected |
| amensalism | Example: An elephant steps on a frog |
| Competition | - - | Any time two organisms try to get the same thing (space, food, water, light, etc.). | what is - -, both negative |
| competition | Note: Even the winner loses time and energy in the fight |
| competition | Example: Two tigers fight over what territory they control |
| Predation | + - | When something kills and eats something else; usually involves 2 animals. Note: Plants are never victims of predation | animal what is + - (one gain one lose) |
| predation | Example: Cat eats mouse |
| Herbivory | + - | Part or all of a plant gets eaten. The plant may not die, but does not benefit | plant what is +-, one gain one lose |
| herbivory | Example: Cow eats grass |
| Parasitism | + - | The parasite hurts the host, usually by stealing food or eating part of the host, but usually does not kill the host. | parasite what is +-, one gain one lose |
| parasitism | Example: Mosquito drinks your blood |
Created by:
MedhaV