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bio lab quiz
| Question | Answer |
|---|---|
| Mutualism | symbiotic relationship, both parties benefit |
| commensalism | symbiotic relationship, does not benefit or harm the host organism |
| lichens - symbiosis | attach to substate and appear leafy |
| rhizobium - symbiosis | among the plant roots, takes nutrition from host's roots |
| lung fluke - symbiosis | internal organs are part of the reproductive system, contains both male and female systems |
| which population shows the first increase in numbers and why? | prey, they need the food source first |
| does a peak in predators occur simultaneously as the prey population, or after a peak in the prey population? | there's a delay. the predators need time to breed and reproduce, they do that slower than the prey |
| what parameter apparently determines the size of the predator population in the forest in any given test run? | the prey population |
| what parameter apparently causes the decline of the prey population? | the predator population |
| what other factors might control the populations of the predators and prey? | weather, new predators, vegitation for the prey, basic needs, and human influences |
| rhizobium | common in the soil, especially in the root nodules of leguminous plants. - mutualism |
| whip worm | Contracted by contaminated soil or water. it is parasitic and lives in the intestines |
| Head Lice | Parasites that live on your head and feed on your blood |
| what kind of symbiont are rhizobium? | mutualism |
| parasitism | symbiotic relationship where 1 creature takes nutrients at the expense of another |
| spanish moss - symbiosis | uses trees as physical support while it remains generally unaffected, doesnt take nutrients from the tree |
| pubic lice - symbiosis | they feed on human blood in private regions to survive, human suffers |
| In real life do you think prey population would completely disappear in the forest? | It could but it could ultimately regenerate. immigration or more evolved prey could evade death |
| mutualism example | bees and flowers |
| commensalism example | barnacles on whales |
| parasitism example | tick and deer |
| what kind of symbiont are lichens? | typically mutualism |
| what kind of symbiont are spanish moss? | typically commensalism |
| what kind of symbiont are lung fluke? | typically parasitism |
| what kind of symbiont are whip worm? | typically parasitism |
| what kind of symbiont are head lice? | typically parasitism |
| what kind of symbiont are pubic lice? | typically parasitism |
| What kind of symbiont is rhizobium? | Mutualism |
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