When does a self-limiting population such as a population of large fish or mammals grow the fastest?
Montana Vital Statistics 2010 Report Source: Montana Department of Public Health and Human Services Show more Montana Vital Statistics 2010 Report Source: Montana Department of Public Health and Human Services Vital Statistics 2010 Report and US Census Bureau Montana QuickFacts. Variable Value in 2010 N (human population size) 989415 Annual number of births 12058 Annual number of deaths 8803 Total land area 376962 km 2 What was Montanas per capita death rate for 2010? 0.009 0.02 8.827 112 Question 2 Select one answer. 10 points Montana Vital Statistics 2010 Report Source: Montana Department of Public Health and Human Services Vital Statistics 2010 Report and US Census Bureau Montana QuickFacts. Variable Value in 2010 N (human population size) 989415 Annual number of births 12058 Annual number of deaths 8803 Total land area 376962 km 2 Given the data above what is the population density? 989415 people 992648 people 0.3 people/km2 2.6 people/km2 Question 3 Select all that apply. 10 points Limiting factors can affect _________________ (select all that apply): birth rate death rate immigration rate emigration rate all of these none of these Question 4 Select one answer. 10 points A population is All the species in a given area that actively interact with each other. All the individuals of a particular species within a given area at one point in time All of the living organisms in an area plus the nonliving factors that interact with them. All the species in a given area at one point in time. Question 5 Select one answer. 10 points Montana Vital Statistics 2010 Report Source: Montana Department of Public Health and Human Services Vital Statistics 2010 Report and US Census Bureau Montana QuickFacts. Variable Value in 2010 N (human population size) 989415 Annual number of births 12058 Annual number of deaths 8803 Total land area 376962 km 2 What was Montanas per capita birth rate for 2010? 0.03 0.01 82 12060 Question 6 Select one answer. 10 points Based on past rates of birth and death you set up a logistic model of a dolphin population. This model predicts that there will be 10020 dolphins next spring. How should you interpret this models prediction? You can be sure there will be exactly 10020 dolphins next spring because large-bodied animals like dolphins follow the logistic pattern of growth. The model is meaningless and does not include any of the factors that control dolphin populations. There will probably be about 10000 dolphins next spring but many outside factors might cause the population to increase or decrease unexpectedly. Question 7 Select one answer. 10 points Which graph below depicts an exponential growth pattern? Question 8 Select one answer. 10 points Aphids are tiny plant-sucking insects that complete a life cycle in a few weeks. A population of aphids is likely to be limited by unpredictable outside factors such as weather. self-limiting; limited by factors that become stronger as the population is more crowded. unlimited; able to increase exponentially without any kind of limitation. Question 9 Select one answer. 10 points Most pest populations can be easily and effectively managed by occasionally killing most of the individuals for example by using a chemical weed or insect killer. True False Question 10 Select one answer. 10 points When does a self-limiting population such as a population of large fish or mammals grow the fastest? When it is large and close to carrying capacity. When it is low about 10% of carrying capacity. When it is moderate in size about half of carrying capacity. Show less
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