6. Study the graph and answer the following questions. WOLVES →→MOOSE EAA 50 WOLVES 40 30 20 10 O 1959 1969 1979 1989 1999 A b. What may have occurred at Point A in on the graph? 2009 2500 c. What is the estimated carrying capacity of the wolf population? 2000 1500 1000 500 YEAR a. What type of population ecology is displayed in the graph? How do you know? MOOSE

6. Study the graph and answer the following questions. WOLVES →→MOOSE EAA 50 WOLVES 40 30 20 10 O 1959 1969 1979 1989 1999 A b. What may have occurred at Point A in on the graph? 2009 2500 c. What is the estimated carrying capacity of the wolf population? 2000 1500 1000 500 YEAR a. What type of population ecology is displayed in the graph? How do you know? MOOSE

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter44: Population Ecology

Section: Chapter Questions

Problem 3SQ: Suppose 200 fish are marked and released in a pond. The following week, 200 fish are caught and 100...

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One reason why human populations have been able to sidestep the factors that usually control population growth is that: a. the carrying capacity for humans has remained constant sincehumans first evolved. b. agriculture and industrialization have increased the carryingcapacity for our species. c. the population growth rate (r) for the human population hasalways been small. d. the age structure of human populations has no impact on itspopulation growth. e. plagues have killed off large numbers of humans at certaintimes in the past.
Suppose 200 fish are marked and released in a pond. The following week, 200 fish are caught and 100 of them have marks. There are about ______ fish in this pond. a. 200 b. 300 c. 400 d. 2,000
1. Hunting is one way of reducing population size. Wildlife managers closely watch changes in population numbers of all wildlife species in order to determine legal hunting ‘bag limits’ for each hunter. Depending on changes in population size, hunting bag limits are changed from year to year. In each of the following scenarios, suggest what changes might have occurred in the population in the previous year to warrant these changes in bag limits. (Address all four factors that affect population size.) a.) The mallard duck bag limit has increased from four ducks/day to eight ducks/day. b.) The previous year 1 female black bear could be taken, and up to 3 males could be taken. This year no females can be taken.
1. Based on the graph, determine the population of carabao in:i. 4 years: _______ii. 5 years: _______iii. 6 years: _______2. What is the maximum carrying capacity of carabao in the given ecosystem?3. How many years did it take for the carabao to reach its carrying capacity? Explain your answer.
1)Questions related to population dynamics look at which aspect of a population? a)The factors that determine the maximum population size that can be supported in an environment b)How diseases are transmitted through a population c)How the genetics of a population change over time d)How & why population size changes over time e)How the number of species in an environment changes over time
1. Based on the graph, determine the population of carabao in: i. 4 years: 2. Based on the graph, determine the population of carabao in: ii. 5 years:3. Based on the graph, determine the population of carabao in: iii. 6 years:4. What is the maximum carrying capacity of carabao in the given ecosystem? 5. How many years did it take for the carabao to reach its carrying capacity? Explain your answer
1. The northern hairy-nosed wombat has experienced historical population declines, though population have stabilized recently due to conservation efforts. While studying them researchers noticed the following fluctuations in (effective) population size: Year 1: 100 individuals Year 2: 90 individuals Year 3: 50 individuals Year 4: 75 individuals Year 5: 90 individuals Year 6: 95 individuals A. Given this information what is the long-term effective population size of this particular population over the six years?
1. Answer the following questionsa)How long will it take for a dolphin population to be reduced by 50% if the intrinsic rate of increase is -.04?b)In the last 70 years the blue whale population decreased from 340,280 to 4,727. What is the intrinsic rate of decrease (r)? c)If the current intrinsic rate of increase for blue whales is .1, how long will it take the current population of 4,727 to climb back to 340,280?
2. If the food source is affecting the buffalo population, what do you predict the graph of the food source would look like? Either draw a graph or write a prediction.
1.) If a person weighs 50 kilograms how many kilograms of meat and vegetables could he have possible eaten? 2.) If people will kill the snakes and shrew. What organisms in the Example will have population explosion?
9.Which of the following causes populations to shift most quickly from an exponential to a logistic population growth? a Favorable climatic conditions b Decreased death rate c Increased birth rate d Removal of predators e Competition for resources
11. An increase in one trait usually leads to a decrease in another. For example, if a species puts a lot of effort into reproduction in one year, it usually cannot put a lot of energy into growth that year. This example describes a: density-independent population. trade-off. survivorship curve. sampling error.