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Q: do you think the global population of 7.1 billion is to too large? Explain. If your answer was yes,…
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Q: What is the cause of global human population growth over the last 200 years?
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Do you think there are environmental limits to human population growth? If so, how close do you think we are to such limits? Explain.
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- do you think the global population of 7.1 billion is to too large? Explain. If your answer was yes, what do you think should be done to slow human population growth? if your answer was no, do you believe that there is a population sizethat would be too big? explain. do you think that the population of the country where you live is too large? explain.How would you describe human population growth for the past 200 years. When determining Earth’s carrying capacity for humans, why is it not enough to just consider human numbers? What will happen if there is a rapid growth in human population? What solutions do you have in mind to limit the human population growth?How would you change the exponential growth model if the per capita death rate increased? O I would decrease r. I would increase r. O I would decrease the initial population size. O I would not change anything about the exponential growth model.
- Several years ago wolves were reintroduced in to a national park in North Carolina. Researchers have monitored the populations over the last several years and the per capita growth rate of the population is .5. If the current population size is 100, what equation would you use to determine how large the population will be in ten years? O N(1+r)* N/t *r O (N*r)/tAccording to Worldometers, in late November, 2018, the U.S. population was 327,726,061 and the world population was estimated at 7,666,602,725. Considering those numbers, do you think the United States is in a population crisis? Do we have enough land and resources to support a continuous increase in population? Should we, as a nation, concentrate on controlling our population or controlling resource use? Why, or why not?Answer these questions A) A population of 25 animals is growing exponentially, and the population has a growth rate of 0.7. How big would the population be after 5 years? B) What's the difference between exponential and logistic growth?
- How does the study of population ecology help us understand why some populations grow, some remain stable, and others decline? a.) Why has human population growth, which increased exponentially for centuries, started to decline in the past few decades? b.) What is carrying capacity? Do you think carrying capacity applies to people as well as to other organisms? Why or why not?The human population growth rate has been getting smaller in the last few decades. Which of the following is the primary cause of this decline? Group of answer choices a. decreasing birth rate b. increasing death rate c. increasing r d. lack of resourcesAn ecologist studies a population of animals in a small field over several years. He measures the birth rate ( B) and death rate ( D) over that period. The data are shown in the graph. 0.6 0.5 0.4 0.3 0.2 0.1 1 2 3 4 Time (years) + Birth- Death What was the per capita growth rate (dN/dt, number/year/individual) at year 3.5? (Express the answer in two decimal places) Rate (numberlyear/individual)
- In the graph below, the top line (with the triangles) represents the of the three curves. In the graph below, the top line (with the triangles) represents the 100 90 80 S70 560 50 40 30 20 10 0 Population Size ΟΟΟ URT RT T RT lowest carrying capacity slowest growth rate Ohighest carrying capacity fastest growth rate Population Growth - of the three curves. → LT L 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 GenerationAn ecologist studies three populations within an ecosystem. Each population has an identical intrinsic growth rate (r max = 0.5). The population sizes and carrying capacities are shown in the graph. 1000 900 800 700 600 500 400 300 200 100 ㅇ A Population 1 Size - Carrying capacity What is the growth rate of Population C? NumberThe global human population has surpassed 7 billion, far exceeding our population’s size throughout our history on Earth. Name some specific means by which we have apparently raised Earth’s carrying capacity for our species. Do you think we can continue to raise our carrying capacity? How might we do so? What limiting factors exist for the human population today? Might Earth’s future carrying capacity for us decrease? Why or why not?