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Biomes
Earths biomes.
| Question | Answer |
|---|---|
| Commensilism | One organism benifits is neither helped nor harmed. |
| Barnacles attatch to whales and are transported to new locations in the ocean | Commensilism |
| Mutualism | Both organisms benefit and sometimes neither species can survive without the other. |
| In lichen, the alga produces sugars and oxygen for the fungus, which provides carbon dioxide and water for the alga. | Mutualism |
| Parasitism | One species benifits and another is harmed. |
| Hookworms attach to the gut wall and obtain noursiment from their host's blood. | Parasitism. |
| Competition. | Organisms require the same resorce (such as food)in the same location at the same time. |
| Spotted knapweed releases chemicals into the soil, which prevents the growth of other plants. | Competition. |
| Predation. | One organism (the predator) eats all or part of another organism (the prey). |
| Cougars have sharp, pointed teeth to catch prey. | Predation. |
| Mimicry | prey animal mimics another species that is dangerous or tastes bad to avoid being eaten. |
| Viceroy butterflys look like bitter-tasting monarch butterflys and are avoided by predators. | Mimicry. |