What purpose does paragraph 8 serve in the text? A. It explains additional factors identified by the simulation. B. It outlines how the simulation models the problem.
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8
What purpose does paragraph 8 serve in the text?
It explains additional factors identified by the simulation.
It outlines how the simulation models the problem.
It illustrates the results predicted by the simulation.
It describes the variables used to create the simulation.
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- Lotka-Volterra Competition A small lake is capable of supporting both bluegill and smallmouth bass. These two bony fish species compete for similar food resources. The carrying capacity of this lake for bluegill (K) is 1,500 and for bass (K,) is 500. After some careful measurement, we find that a is 0.5 and that pis 0.25. We stock the lake with 250 bluegill and 750 bass. Over time, will both species be able to co-exist? If not, which one will be driven to extinction in this lake? If so, approximately how many of each species will be present? Please show the equation step by step on paper pleaseFrom Ants to Grizzlies - General Rules for Saving Biodiversity In the Flathead Reservation region, what solutions were developed to address the problem of fragmentation due to Hwy. 93? What tools are used in the Flathead projects to evaluate the success of their efforts in facilitating larger animal populations?+++ NA b. Macroinvertebrates-invertebrates that you can see without magnification-are indicator species often surveyed when assessing aquatic ecosystems. The following data table and graph represent macroinvertebrates sampled in two different streams, Stream A and Stream B. Using the data, develop a claim about the overall and relative water quality of the streams and support your claim with at least two pieces of evidence for each stream. Claim: Evidence: Total Biomass (g) Macroinvertebrate Species Name Mayfly nymph Caddis fly larva Freshwater shrimp Water louse Bloodworm Sludge worm 120 100 80 60 40 20 0 Pollution Tolerance Intolerant Moderately intolerant Moderately intolerant Moderately tolerant Moderately tolerant Tolerant Total biomass in sample (g) Stream A Stream B 0 0 Macroinvertebrate Biomass Comparison 4 30 70 34 10 2 G Mayfly Caddis fly Freshwater Water Bloodworm Sludge nymph larva shrimp louse worm Stream A Stream B 1 4 45 100
- In 1970 the deer population of an island forest reserve about 518 square kilometers in size was about 2000 animals. Although the island had excellent vegetation for feeding, the food supply obviously had limits. Thus the forest management personnel feared that overgrazing might lead to mass starvation. Since the area was too remote for hunters, the wildlife service decided to bring in natural predators to control the deer population. It was hoped that natural predation would keep the deer population from becoming too large and also increase the deer quality (or health), as predators often eliminate the weaker members of the herd. In 1971, ten wolves were flown into the island. The data collected during this program are shown in the following table. The Population Change is the number of deer born minus the number of deer that died during that year. Fill in the last column for each year. The first has been calculated for you. Then graph the deer and wolf populations on the graph below.…In 1970 the deer population of an island forest reserve about 518 square kilometers in size was about 2000 animals. Although the island had excellent vegetation for feeding, the food supply obviously had limits. Thus the forest management personnel feared that overgrazing might lead to mass starvation. Since the area was too remote for hunters, the wildlife service decided to bring in natural predators to control the deer population. It was hoped that natural predation would keep the deer population from becoming too large and also increase the deer quality (or health), as predators often eliminate the weaker members of the herd. In 1971, ten wolves were flown into the island. The data collected during this program are shown in the following table. The Population Change is the number of deer born minus the number of deer that died during that year. Fill in the last column for each year. The first has been calculated for you. Then graph the deer and wolf populations on the graph below.…Jaguars are a keystone species in the Amazon. Describe how they can be so essential to the ecosystem despite being significantly less abundant than many other species.
- The Atlantic cod population is of primary economic importance to fishingcommunities throughout the maritime provinces in Canada. Unfortunately, thispopulation has underwent an extreme collapse in recent years due to overfishing.Some argue, however, that the collapse of the cod population may actually beattributed to an increase in the population of harp seals, a known predator ofcod. One suggestion to help cod stocks recover is therefore to permit the huntingof harp seals on a large scale. Suggest and explain one potentially negativeconsequence of limiting the harp seal population.Upland game hunters in Illinois have been noticing a decrease in therabbit and pheasant populations over the past five years. They havelobbied the Department of Natural Resources and the statelegislature to allow them to shoot red-tailed hawks, one of therabbit’s and pheasant’s main predators. Explain why shooting hawkswill not ultimately solve the problem of a decreased rabbit andpheasant populationGive your response to the following statement: “Eventually, all species become extinct. So it does not reallymatter that the world’s remaining tiger species or atropical forest plant are endangered mostly because ofhuman activities.” Be honest about your reaction, andgive arguments to support your position.
- Part A: A population of 100 Asian elephants exhibits logistic growth. If the carrying capacity is 500 elephants and theper capita growth rate is 0.1 individuals/(individuals × year), what is the maximum population growth rate forthe population? part b: Based on the above question, what is the maximum population growth rate for the population if we assumedthe elephants were undergoing exponential growth?In the lake the biomass of plankton decreased from 65000 to 50000 kg. As a result the biomass of the lake minnows (trophic efficiency is 9 %), for which plankton is food, also decreased. How many individuals will the lake pike population decrease by (the average mass is 3.5 kg, trophic efficiency is 12 %)?What if we were able to restore some critical salmon habitat, like the forests surrounding the spawning streams? To test this restoration, increase K to 40,000 fish. What would that do to the MSY value? [ Select ] Does this mean you would be able to harvest more or less fish? [ Select ]