Density-Dependent Factors Density-Independent Factors Size of Population Affected Biotic or Abiotic? Examples compare and contrast density-dependent...
| Density-Dependent Factors | Density-Independent Factors | |
| Size of Population Affected | ||
| Biotic or Abiotic? | ||
| Examples |
compare and contrast density-dependent factors and
density-independent factors in a chart. Include the
following:
a) the size of population affected
b)if it is biotic or abiotic
c) a minimum of three examples of each of the factors
Homework Answers
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Density-Dependent Factors
Density-Independent Factors
Size of Population Affected
Biotic or Abiotic?
Examples
compare and contrast density-dependent...
There are abiotic and biotic factors that keep population size of species under control. Provide two...
There are abiotic and biotic factors that keep population size of species under control. Provide two examples that affect (or have affected) population size of native species in WA (one example for density dependent and one for density independent). You need to pick two real examples, provide specific species names and habitats/ecosystems where those species occur. You need to use different examples from the ones I used in lectures. (Used Eastern grey squirrel and paramecium for competition)
ge ed out of estion Finisht In Kenya, the Shelorick Elephant orphanage takes care of elephants...
ge ed out of estion Finisht In Kenya, the Shelorick Elephant orphanage takes care of elephants that have lost their herd as a result of poaching. In 2012, the orphanage had a population size of 387 elephants. Over the next two years, they had 18 pregnant cows birth successfully. Three cows were lost due to complications with their pregnancies. They lost 14 more from sickness. They found 57 elephants that required care and were able to release 12 into the...
1. Differentiate between density-dependent and density-independent factors. Give several examples of each
1. Differentiate between density-dependent and density-independent factors. Give several examples of each
A long answer question will require one to three paragraphs to answer. 1. Density-independent and density-dependent...
A long answer question will require one to three paragraphs to answer. 1. Density-independent and density-dependent factors can both limit the population size of a species. What is the difference between the two types? What are some examples of each?
7. Each row of graphs describes either a density-independent or density-dependent population. Please complete the two...
7. Each row of graphs describes either a density-independent or density-dependent population. Please complete the two empty graphs using the information of the provided line. Label which row demonstrates density-independent or density-dependent population growth. For the one row of graphs where it should be included, circle where K is on each of the three graphs. (6 pts) A. Density- population growth dN Ndt Population Size (N) Time Population Size (N) B. Density- population growth dN N AN Ndt Population Size...
Identify examples of evidence that a population has a size that is density dependent. 1- The...
Identify examples of evidence that a population has a size that is density dependent. 1- The number of progeny per adult decreases as population density increases. 2- A population is devastated by extremely cold temperatures every few years. 3- The maximum population limit increases as population density decreases. 4- A change in a population's size exhibits exponential or geometric growth. 5- A population's resources and potential mates are insufficient for all individuals.
Define and provide examples of the following concepts: Environment, ecosystem, abiotic and biotic factors, natural and...
Define and provide examples of the following concepts: Environment, ecosystem, abiotic and biotic factors, natural and experimental boundaries, flows of matter and energy. Explain how the boundaries of an ecosystem may differ from those like national parks, county, state or national borders. Explain how natural features of the landscape (ex: a watershed) or biological phenomena (ex: a species range) can be used to define the boundaries of an ecosystem. Explain how ecosystems vary in size and scale, and how some...
of all the living and non-living elements that interact with it (abiotic factors) is called: a...
of all the living and non-living elements that interact with it (abiotic factors) is called: a biosphere a social system a biome a population an ecosystem The figure to the right represents which of the following (bubble all that apply) a k-selected species an r-selected species a species that is density dependent a species that is density independent Which of the following are ways males compete for mates resource control nuptial gifts for female good looks (fighting or displays) courtship...
Some survival stresses increasingly impact animals as the density of their population increases. Other factors seem...
Some survival stresses increasingly impact animals as the density of their population increases. Other factors seem to impact the same percent (not necessarily the same number) of animals regardless of their population density. Think about the factors or events experienced by a white-tailed deer population. Some hypothetical ones are listed below. Drag each of the factors into either the density-independent or density dependent box. With each factor ask yourself. Would the percent of animals impacted increase if there were 100...
In density independent populations, birth rate and death rate do not change with population density. In...
In density independent populations, birth rate and death rate do not change with population density. In contrast for density dependent populations: A Birth rates decrease and death rates decrease Birth rates increase and death rates increase C. Birth rates decrease and death rates increase Birth rates increase and death rates decrease QUESTION 8 Why does the fitness of a phenotype depend on frequency-dependent selection? Because selection favors the least common phenotype. Because the least number of alleles are at that...
ge ed out of estion Finisht In Kenya, the Shelorick Elephant orphanage takes care of elephants that have lost their herd as a result of poaching. In 2012, the orphanage had a population size of 387 elephants. Over the next two years, they had 18 pregnant cows birth successfully. Three cows were lost due to complications with their pregnancies. They lost 14 more from sickness. They found 57 elephants that required care and were able to release 12 into the...
7. Each row of graphs describes either a density-independent or density-dependent population. Please complete the two empty graphs using the information of the provided line. Label which row demonstrates density-independent or density-dependent population growth. For the one row of graphs where it should be included, circle where K is on each of the three graphs. (6 pts) A. Density- population growth dN Ndt Population Size (N) Time Population Size (N) B. Density- population growth dN N AN Ndt Population Size...
of all the living and non-living elements that interact with it (abiotic factors) is called: a biosphere a social system a biome a population an ecosystem The figure to the right represents which of the following (bubble all that apply) a k-selected species an r-selected species a species that is density dependent a species that is density independent Which of the following are ways males compete for mates resource control nuptial gifts for female good looks (fighting or displays) courtship...
Some survival stresses increasingly impact animals as the density of their population increases. Other factors seem to impact the same percent (not necessarily the same number) of animals regardless of their population density. Think about the factors or events experienced by a white-tailed deer population. Some hypothetical ones are listed below. Drag each of the factors into either the density-independent or density dependent box. With each factor ask yourself. Would the percent of animals impacted increase if there were 100...
In density independent populations, birth rate and death rate do not change with population density. In contrast for density dependent populations: A Birth rates decrease and death rates decrease Birth rates increase and death rates increase C. Birth rates decrease and death rates increase Birth rates increase and death rates decrease QUESTION 8 Why does the fitness of a phenotype depend on frequency-dependent selection? Because selection favors the least common phenotype. Because the least number of alleles are at that...
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