Asian carp are an invasive species of fish. When the Asian carp invade a river or lake, they overtake the food and space from the native fish. What type of density-dependent factor would this be considered?
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Asian carp are an invasive species of fish. When the Asian carp invade a river or lake, they overtake the food and space from the native fish. What type of density-dependent factor would this be considered?
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- Asian carp are an invasive species of fish. When the Asian carp invade a river or lake, they overtake the food and space from the native fish. What type of density-dependent factor would this be considered? physiological change predation competition disease and parasitesA severe winterkill seemingly killed all the trout in a lake. A decision is made to restock the lake with trout from a nearby lake. The carrying capacity of the stocked lake is estimated at 11,500 trouts and the instantaneous rate of increase of the species is estimated at 0.006. If the lake is stocked with 800 trout, how many trout will be in the lake after 55 years. Round your answer to the closet full number.A group of ecologists want to test if an industrial effluent affects the diversity of aquatic invertebrates in a river. To do this, they compare the community of aquatic invertebrates between two sites: one upstream of the effluent and one downstream of the effluent. Which variable should they calculate to compare the diversity of the two communities of invertebrates? The carrying capacity of the river The net reproductive rate The Shannon Index The gross primary productivity of the river The instantaneous rate of growth
- a) Determine whether the following factors are density-dependent or density-independent. Drought Answer Disease Answer Temperature Answer Low pH Answer Prey population number Answer Predator population number Answer Competition Answer Loss of habitat Answer b) The moose population in Jasper is currently on the decline in Jasper National Park. Some of the reasons for the population decline are liver fluke parasitic disease, return of the wolves in the area, and increased traffic in the highways. Match the cause of moose population decline to the type of limiting factor using the drop down menu. Choose between density dependent and density independent. Cause of Population Decline Limiting Factor a. Liver fluke Answer b. Increase in wolf population Answer c. Increase in highway traffic Answer c) Which of the following scenarios is an example of a density-dependent limiting factor? a. The spread of ticks among a moose population weakens the individual…Is an environment's carrying capacity mainly affected by density-dependent or density-independent factors? Explain your answer.When populations of ocean perch and herring are reduced, which other species in this ecosystem are directly affected? Identify at least two species that directly lose their food source.
- What is a benefit of uniform dispersion? decreased competition increased resources easier reproduction increased competitionA gypsy moth population has overtaken a grove of oak trees. The gypsy moths eat the trees, causing the trees to die. What type of density-dependent factor would the gypsy moths be considered? predation disease and parasites competition physiological changeIf a disease is destroying barley plants in a field swept through an ecosystem What type of limiting factor would the disease before the Barley eating bird population density dependent or density independent and why?
- Which of the following situations is a density - dependent limiting factor? Choose only one. - Dinoflagellates in Laguna de Bay increase in population due to an increase in organic substance in the body of water brought by water pollution.- The oil spill in Guimaras harmed many aquatic organisms in the vicinity.- Super typhoon Haiyan caused many residents to leave Tacloban, Leyte.- Population of civet cat decreases because of deforestation.There is a non-harmful species of fly that has a body coloration pattern that is similar to bees and wasps, the latter two of which have a stinger for self defence, while the fly has no stinger. For the fly's colour patterns to help it trick potential predators and therefore avoid being eaten by predators, how common should the fly be in nature relative to the bees and wasps in an area where all these species overlap? Question 1 options: 50% of the total abundance of these groups Rare The abundance of bees and wasps doesn't matter Very commonIdentify one problem created by the introduction of the invasive species. Provide a solution for the removal of the invasive species. Explain your solution for the removal of the native species, economy and/or social impacts? How long do you think it will take to return to the original biodiversity of the ecosystem based on your solution and why?