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- Q 1/14Score 0What process is shown in the diagram?29oligotrophycompetitive exclusionsymbiosissuccession
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- Q1What process is shown in the diagram?oligotrophycompetitive exclusionsymbiosissuccession300sSB5a
- Q2A group of organisms of different species living together in a particular place is called aCommunitypopulationhabitatbiome300sSB5a
- Q3Refer to the table above. What is interaction number 1?MutualismCommensilismParasitismPredation300sSB5a
- Q4What is interaction number 3?ParasitismPredationCompeitionMutualism300sSB5a
- Q5What is interaction number 2?CompeitionCommensalismCompetitionPredation300sSB5a
- Q6If a disruption were to be caused in an ecosystem, which would be the most detrimental?Removing invasive species from an ecosystem to preserve the native species population.Strategically removing trees to clear up overpopulation in ecosystems.Burning a yard during the winter so that grass grows back healthier during the following summer.Introduction of an invasive species such as large snakes in Florida300sSB5d
- Q7During PRIMARY succession, what would cause the most common factor in creating a new ecosystem?An area that has already been previously established with soil so that shrubs and trees can grow back.Somewhere similar to a back yard that has been burned so the grass can grow back greener.Some area that has already been established with plants so that smaller invertebrate animals can now create a habitat.some type of solid ground such as the side of a mountain or a rock that lichen or some other organism can grow on to establish soil.300sSB5a
- Q8When the graph above is approaching the transitional phase, what is happening with respect to the population?The population growth is slowing down because it is approaching its carrying capacity (titled plateau phase)300sSB5a
- Q9If a population of deer are present in an ecosystem and have a mutualistic relationship with foxes. This relationship is one that the deer depend on for survival. If the fox population were to be wiped out by an increase in a bear population what would be the most common result for the deer population?The deer population would decrease and possibly go extinct because it relied on the fox population for survival. Without this relationship the deer would decrease either due to a lack of help from the fox or an increase in predation from the bear.300sSB5e
- Q10Consider a population that has survived for thousands of years. In this ecosystem there is a population of red tailed foxes that have coexisted with other populations in the forest. The past few years there has been a new species of blue tailed foxes that hunt the same animals as the white tailed foxes. The blue tailed foxes are not genetically superior to the red tailed foxes in anyway. What do you expect to happen to the population of both foxes and the populations of the animals that they hunt?The population of both fox species will remain constant, however, the resources that both fox populations hunt will decrease dramatically due to both species feeding on them.300sSB5e
- Q11What is the role of bacteria in the soil for plants?to fixate oxygento fixate phosphorusTo fixate the nitrogenTo fixate carbon300sSB5b
- Q12If there was once previously a population of brown bears in an ecosystem that ate fish for their primary diet and a new black bear population was introduced, what would you expect to be the IMMEDIATE outcome of the bear and fish populations?The population of the fish would increase due to the amount of black and brown bears finding a different preyThe bear populations would increase due to their being a new species virtually doubling the population and the fish population would decrease due to the increased number of predators.The populations would not be affectedThe population of bear would decrease due to one species of bear leaving and the fish population would increase due to finding a new habitat300sSB5c
- Q13During the two stages of succession (primary and secondary) when would you expect to have the greatest biodiversity?An ecosystem that is beginning secondary succession that is just developing complex plantsAn ecosystem that finishing secondary succession that is closing in on a climax communityAn ecosystem that has already undergone primary succession but is now cleared and has nothing grown back for secondary succession.An ecosystem that is just beginning primary succession where there are very simple organisms.300sSB5e
- Q14If a tropical rainforest is a stable climax community and a storm passes through the ecosystem and knocks down a group of trees blocking a river flowing through the rainforest, what might you expect to happen during a very rainy season?The trees will not block the river flow so there is no need to worryThe trees will fall but will not harm the river flow because the water will move the trees downstreamFlooding will occur in the rainforest due to the blockage of the river flowIf a tree falls in the woods, would anybody hear it?300sSB5d
