POPULATION GROWTH What determines the size of a population
... More organisms reproducing rapid growth ...
... More organisms reproducing rapid growth ...
Population Ecology
... Populations are groups of the same species in the same area. Characteristics of population include: Density Spatial Distribution Growth rate ...
... Populations are groups of the same species in the same area. Characteristics of population include: Density Spatial Distribution Growth rate ...
carrying capacity
... exceeds carrying capacity? • Some populations grow too fast… • Population overshoots resources… • Population crashes • E.g. Gypsy Moth caterpillars can defoliate the trees they live on so quickly that their larvae have nothing to feed on! ...
... exceeds carrying capacity? • Some populations grow too fast… • Population overshoots resources… • Population crashes • E.g. Gypsy Moth caterpillars can defoliate the trees they live on so quickly that their larvae have nothing to feed on! ...
Human Ecology
... – Food supply, solar energy, wind/air, water, soil, living things (trees), geothermal energy, nuclear energy ...
... – Food supply, solar energy, wind/air, water, soil, living things (trees), geothermal energy, nuclear energy ...
Population Growth
... • Logistic Growth (S curve): starts as exponential growth with limiting factors and levels off (due to carrying capacity) Carrying capacity • Carrying Capacity is the MAXIMUM number of individuals an environment and its resources can support Time (hours) ...
... • Logistic Growth (S curve): starts as exponential growth with limiting factors and levels off (due to carrying capacity) Carrying capacity • Carrying Capacity is the MAXIMUM number of individuals an environment and its resources can support Time (hours) ...
Limits to Growth Section 5-2
... DDLF – limiting factor that depends on population size These factors become limiting only when the population density reaches a certain level Usually occurs when population is large and dense Ex: competition, predation, parasitism, disease ...
... DDLF – limiting factor that depends on population size These factors become limiting only when the population density reaches a certain level Usually occurs when population is large and dense Ex: competition, predation, parasitism, disease ...
Exponential vs Logistic Growth Activity 2016
... is occurring at each time interval? Generate some possible explanations. ...
... is occurring at each time interval? Generate some possible explanations. ...
Quiz 5 Key
... e. none of these is the correct interpretation 4. Which of the following describes a situation in which a density dependent factor is operating a. a predator keeps the death rate of its prey constant by eating more of them when the population is larger b. a predator keeps the population of its prey ...
... e. none of these is the correct interpretation 4. Which of the following describes a situation in which a density dependent factor is operating a. a predator keeps the death rate of its prey constant by eating more of them when the population is larger b. a predator keeps the population of its prey ...
Biodiversity
... • The number of known species is about 1.6 million, most of which are insects. • However, the estimated number is around 13 million species. ...
... • The number of known species is about 1.6 million, most of which are insects. • However, the estimated number is around 13 million species. ...
PowerPoint
... • Organisms differ on strategies of reproduction and differ on types of predation • Those organisms that put much care into their few young tend to have good survivorship of young • Those organisms that spread their young all over tend to have poor survivorship of their young • A graphic representat ...
... • Organisms differ on strategies of reproduction and differ on types of predation • Those organisms that put much care into their few young tend to have good survivorship of young • Those organisms that spread their young all over tend to have poor survivorship of their young • A graphic representat ...
Characteristics of Populations
... Carrying capacity refers to the maximum size of population the environment will support. The curve depicting the growth of a population that is limited by a definite carrying capacity is shaped like the letter “S”. A population crash occurs when a population overshoots its carrying capacity and envi ...
... Carrying capacity refers to the maximum size of population the environment will support. The curve depicting the growth of a population that is limited by a definite carrying capacity is shaped like the letter “S”. A population crash occurs when a population overshoots its carrying capacity and envi ...
Populations
... Become limiting only when the population density, or size, becomes a certain level Doesn’t affect small, scattered populations ...
... Become limiting only when the population density, or size, becomes a certain level Doesn’t affect small, scattered populations ...
Chapter 5 Populations and Communities 5
... What factors affect population size? How have science and technology affected human population growth? Understanding how populations grow and shrink is critical to managing agricultural pests and diseases and also for knowing how to protect ecosystems. ...
... What factors affect population size? How have science and technology affected human population growth? Understanding how populations grow and shrink is critical to managing agricultural pests and diseases and also for knowing how to protect ecosystems. ...
Chapter 5 - Gull Lake Community Schools
... What factors affect population size? How have science and technology affected human population growth? Understanding how populations grow and shrink is critical to managing agricultural pests and diseases and also for knowing how to protect ecosystems. ...
... What factors affect population size? How have science and technology affected human population growth? Understanding how populations grow and shrink is critical to managing agricultural pests and diseases and also for knowing how to protect ecosystems. ...
Aim What is Carrying Capacity ?
... The graph provides information about the population of deer in a given area between 1900 and 1945. Which statement identifies the most likely reason that the carrying capacity of the area to support deer decreased between 1925 and 1930? 1.The deer population decreased in 1926. 2.The number of preda ...
... The graph provides information about the population of deer in a given area between 1900 and 1945. Which statement identifies the most likely reason that the carrying capacity of the area to support deer decreased between 1925 and 1930? 1.The deer population decreased in 1926. 2.The number of preda ...
Document
... the scientific study of human populations 2. List some factors that might play a role in a population growth rate. Immigration, emigration, death rate 3. What are the four characteristics of a population? Geographic distribution, density, growth rate, and age structure 4. Which of those four charact ...
... the scientific study of human populations 2. List some factors that might play a role in a population growth rate. Immigration, emigration, death rate 3. What are the four characteristics of a population? Geographic distribution, density, growth rate, and age structure 4. Which of those four charact ...
ch5,6review
... • 40% of population growth is US is due to immigration (legal and illegal) • China and India have 36% of world’s population--US is 3rd with 4.5 • US infant mortality level is higher than 39 other countries. WHY? ...
... • 40% of population growth is US is due to immigration (legal and illegal) • China and India have 36% of world’s population--US is 3rd with 4.5 • US infant mortality level is higher than 39 other countries. WHY? ...
Answers to Questions 1-14 From Chapter 8 A sea otter is an
... ecosystem. It eats sea urchins, which in turn eat kelp, so the balance of sea urchin/kelp beds is maintained by the presence of the otter. If the sea otter is removed from this ecosystem, the urchins will eat up all the kelp, and the whole ecosystem collapses. By the way the sea otters habitat and r ...
... ecosystem. It eats sea urchins, which in turn eat kelp, so the balance of sea urchin/kelp beds is maintained by the presence of the otter. If the sea otter is removed from this ecosystem, the urchins will eat up all the kelp, and the whole ecosystem collapses. By the way the sea otters habitat and r ...