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- Figure 19.6 If the major food source of seals declines due to pollution or overfishing, which of the following would likely occur? a. The carrying capacity of seals would decrease, as would the seal population. b. The carrying capacity of seals would decrease, but the seal population would remain the same. c. The number of seal deaths would increase, but the number of births would also increase, so the population size would remain the same. d. The carrying capacity of seals would remain the same, but the population of seals would decrease.Below is a table that shows the changes in a population of domesticated rabbits. What is the most likely explanation for why size of the rabbit population remained relatively constant from 1990-1992? Year 1986 1987 1988 1989 1990 1991 1992 Population 601 732 769 800 816 815 816 O a. The population suffered from a new disease O b. A new predator was introduced c. The rabbit's prey source was killed off due to hunting o d. The population reached its carrying capacityUpland 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 population
- A population of 1,492 finches is introduced to a rainforest. Over the next year, the finches showa death rate of 0.395 while the population drops to 1,134. What's the birth rate for this population? Is this proving to be a suitable habitat? (Two answers) O Yes, this is a suitable habitat. The birth rate is higher than the death rate. D No, this is not a suitable habitat. The birth rate is much lower than the death rate. 589 -358 a 0.155 O 0.845 Which of the following is true of a population approaching its carrying capacity? O The population's rate of increase approaches zero. ロロロロロ □Most Swiss starlings produce four to five eggs in each clutch. Starlings producing more than this have reduced fitness. Which of the following statements best explains this situation? O The starling parents do not care for their young, reducing their fitness. O The ecosystem can only support two offspring, reducing the fitness of both populations. O The population of starlings have limited resources to care for their young. O The starlings have fewer habitat options and fewer offspring, reducing their fitness.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?
- Which of the following would be a consequence of humans over-hunting rhinos? O The deer population would decrease O The lion population would have less food available to them O The tree population would decrease O The vultures (large birds) would have no foodIf the deer population is decreasing what would you expect to happen to the wolf population? Why?Under which scenario can a hawk successfully invade (or persist among) a population of doves? O F) Options A, B, and C O D) Options A and B O C) Lowest resource value (V « C) O A) When high resource value relative to cost (i.e., V = 2*C) O B) Lower resource value relative to cost (i.e., V>C and V< 2*C) O E) Options B and C
- What impact did commercial whaling have on blue whale populations? A It slightly decreased the population. В It substantially increased the population. C It substantially decreased the population. It had no noticeable effect.Changes in a population of Monkey-eating eagles are shown in the graph below. Referring to labeled X, which statement best explains the section of this graph? X Time a. Resources are extremely high while predation is low O b. The Monkey eating eagles are no longer in competition for resources with other species O C. The monkey eating eagles population has reached its carrying capacity o d. Interbreeding is occurring between members of different species Population sizeAre feral cats bigger then average domestic cats could they grow to main coon size or even bobcat size?