The factors that affect the health of a population are births, death, immigration, and emigration
2. IDENTIFY TWO examples of density dependent factors. DESCRIBE how density dependent factors affect the size of a population.
ANSWER:
Density dependent factors could be food, water, and shelter. Density-dependent factors affect the size of the population because if there was not enough food, water, or shelter for the increasing population, the population will begin to level off until they hit its carrying capacity point.
3. IDENTIFY TWO examples of density independent factors. DESCRIBE how density independent factors affect the size of a population.
ANSWER:
Independent factors could potentially be a fire or a flood. Density independent factors …show more content…
R strategies have the population of the given species influx up and down (basically going through a boom and bust cycle). These relate to carrying capacity of an area because they are going to determine how the population grows. whether it be a constant influx of the species or follow a sort of J-curve
5. DESCRIBE the difference between logistic growth and exponential growth. How do they look when graphed? Give EXAMPLES of natural situations where you would see each.
ANSWER:
An exponential model demonstrates the growth rate And how it is increasing in the population over time. The logistic model does this as well but it will eventually reach a carrying capacity or limit of the population growth. A natural situation for the exponential model is the growth of trees in a given area and an example for the logistic model is the population growth of bunnies over time.
6. DESCRIBE the difference between a Type I, Type II, and Type III survivorship curve. Which type of curve will generally represent “K-selected” species? Which type will generally represent “r-selected” type species? …show more content…
It starts at a very high point and remains constant over time until they reach is dying age, which it then shows a dramatic drop since they would have lived to the end of life. A type II follows a steady slope of where they start at a high point and consistently begin to decrease in health overtime until they reach the point of death. A type III curve starts off at a high point, almost immediately makes a dramatic drop, then follows a steady decline of life. the type I would generally represent the “K-selected” species while a type III curve represent the “R-selected” curve.
7. Using the diagram below, SUMMARIZE the main ideas of this video.
ANSWER:
Density independent things just related to chance scientists come up with models to demonstrate what is going on in a population
Exponential growth model: looks at the growth rate and how it increases in population over time
Logistic model: shows exponential growth but eventually reaches carrying capacity of the limit of population growth
Scientists are also studying strategies that species have, some are called K species
Their population size will increase until they gradually hit a carrying capacity
Density dependent
Factors that limit growth based on the density of the population
As the population density increases, if there is not enough food or water or shelter, it is called limiting
2. IDENTIFY TWO examples of density dependent factors. DESCRIBE how density dependent factors affect the size of a population.
ANSWER:
Density dependent factors could be food, water, and shelter. Density-dependent factors affect the size of the population because if there was not enough food, water, or shelter for the increasing population, the population will begin to level off until they hit its carrying capacity point.
3. IDENTIFY TWO examples of density independent factors. DESCRIBE how density independent factors affect the size of a population.
ANSWER:
Independent factors could potentially be a fire or a flood. Density independent factors …show more content…
R strategies have the population of the given species influx up and down (basically going through a boom and bust cycle). These relate to carrying capacity of an area because they are going to determine how the population grows. whether it be a constant influx of the species or follow a sort of J-curve
5. DESCRIBE the difference between logistic growth and exponential growth. How do they look when graphed? Give EXAMPLES of natural situations where you would see each.
ANSWER:
An exponential model demonstrates the growth rate And how it is increasing in the population over time. The logistic model does this as well but it will eventually reach a carrying capacity or limit of the population growth. A natural situation for the exponential model is the growth of trees in a given area and an example for the logistic model is the population growth of bunnies over time.
6. DESCRIBE the difference between a Type I, Type II, and Type III survivorship curve. Which type of curve will generally represent “K-selected” species? Which type will generally represent “r-selected” type species? …show more content…
It starts at a very high point and remains constant over time until they reach is dying age, which it then shows a dramatic drop since they would have lived to the end of life. A type II follows a steady slope of where they start at a high point and consistently begin to decrease in health overtime until they reach the point of death. A type III curve starts off at a high point, almost immediately makes a dramatic drop, then follows a steady decline of life. the type I would generally represent the “K-selected” species while a type III curve represent the “R-selected” curve.
7. Using the diagram below, SUMMARIZE the main ideas of this video.
ANSWER:
Density independent things just related to chance scientists come up with models to demonstrate what is going on in a population
Exponential growth model: looks at the growth rate and how it increases in population over time
Logistic model: shows exponential growth but eventually reaches carrying capacity of the limit of population growth
Scientists are also studying strategies that species have, some are called K species
Their population size will increase until they gradually hit a carrying capacity
Density dependent
Factors that limit growth based on the density of the population
As the population density increases, if there is not enough food or water or shelter, it is called limiting