Q: Using grey squirrels as an example, describe a population that would be of interest to a researcher.…
A: The main type of squirrel that is found in North America is gray squirrels. A population of interest…
Q: In populations of many organisms there is an inverse relationship between the density of individuals…
A: The size of the individuals in a population is dependent on the density of the population.
Q: Using the above graph, what is the approximate percent of the population in the US and Kenya that is…
A: Need to find the approximate percentage of population in Kenya and US.
Q: What two values would you need to know to figure out the human population density of your community?
A: Two important measures of a population are population size, the number of individuals, and…
Q: If a population eventually reached the point where it no longer changed in size, which of the below…
A: If the population carrying capacity has reached its maximum limit, resources become limited in the…
Q: In which of the following situations is exponential growth of a population common? For each of the…
A: When a population's per capita growth rate remains constant regardless of population size,…
Q: Give some examples of possible density-dependent limits on bald eagle populations
A: Population is affected by various factors. Density of a population depends upon the total number of…
Q: Describe at least three to five other limiting factors (other than the number of predators or prey)…
A: Describe at least three to five other limiting factors (other than the number of predators or prey)…
Q: How would a drastic reduction in a population’s size affect that population’s gene pool or genetic…
A: Genetic variation refers to diversity in gene frequencies. It speaks about the differences between…
Q: What is inherent capacity of a population to increase under optimal conditions?
A: All the organisms interact with each other and with the environment to survive. The branch of…
Q: at are the characteristics of a population (How would you define a Population)
A: Demography: Study of population is called demography, the total number of people or organisms in a…
Q: Distinguish between continuous and discontinuous variation in a population, and give some examples…
A: Genetics is a study of genes, heredity, and genetic variation in an organism. Living organisms…
Q: Use a specific example to explain how population density may change for people living in one country…
A: Population size is the number of the individuals in a population and Population density is average…
Q: Explain why a population’s pyramid of numbers may not resemble its pyramids of biomass and energy.
A: The ecological pyramids give the graphical representation of biomass and energy at different tropic…
Q: Describe at least three other limiting factors (other than the number of predators or prey) that can…
A: The three factors that effect the size of thr population are as follows : Environmental factor…
Q: Do human activities play a larger role in density dependent or density independent limiting factors…
A: The logistic pattern of growth, in which a population's size levels off at an environmentally…
Q: What is an example of population
A: In ecology a population is defined as a group or set of individuals inhabiting an isolated area , of…
Q: In the age structure diagram below, which of the following is true of this 2 points population? *
A: Population pyramid helps us to understand structure of a population of an area.
Q: In a closed system, a pair of houseflies is provided with a garbage can full of food waste. Which of…
A: Population growth is defined as the increase in the number of individuals in a population with an…
Q: In a study of eastern red-backed salamanders (Plethodon cinereus), a biologist randomly placed seven…
A: ANSWER;- 1.1/m^2,11,000
Q: Which of the following graphs shows the most likely outcome of how allele frequencies will change…
A: An allele frequency is calculated by dividing the number of times the allele of interest is observed…
Q: A species of insect has a gene that determines whether the legs have brown stripes or black stripes,…
A: According to the given condition, an insect species has two types of legs, one has black striped…
Q: What can you conclude about genetic variation and population size? the larger the population, the…
A: Sexual reproduction creates new genetic Variations within a Population by mixing parental alleles…
Q: In a population of fish, gold scales are dominant to black scales. A fish population of 100 total…
A: Using the Hardy-Weinberg equation the given question can be solved. In 1908, G. H. Hardy and…
Q: Describe the difference between density-dependent and density-independent effects on populations.
A: Density-dependent: It is related to population density and factors that either decrease the birth…
Q: What do each arrow represent
A: Intraspecific competition: It defines an interaction of a population where members of a species…
Q: Explain any 4 four forces leading to change in gene and genotype frequency in a population
A: Gene is a unit of heredity. It contains genetic information which can be passed from one generation…
Q: Name the various factors that affect population density.
A: Population is a group of organisms of a species sharing a common habitat at a given time. Characters…
Q: Describe the characteristics of populations that help predict population growth
A: In ecology field, the study of living organisms takes place at different levels. The population…
Q: explain why a population that fits the logistic growthmodel increases more rapidly at intermediate…
A: The growth curve is S-shaped for the species in a logistic growth model and increases more rapidly,…
Q: What Data is included in a population pyramid, and what is the purpose behind the three groupings?
A: A population is defined as a group of individuals which can inter breed with each other and produce…
Q: Write any two major reasons for population explosion in the world.
A: Population is a community of all the organisms of the same group or species lives in a particular…
Q: Why is the minimum viable population size smaller for a geneticallydiverse population than for a…
A: the minimum viable population [MVP] is the persistent population that tide over a fixed amount of…
Q: Based on the class data from Experiment I, for each of the three populations, describe the effect of…
A: Key points Genetic drift is a mechanism of evolution in which allele frequencies of a population…
Q: Describe the three types of population pyramids and their effect on society due to their…
A: Whenever examining the groups divided by age and gender, population pyramids are useful diagrams for…
Q: Based on the graph, determine the population of carabao in: i. 4 years: _______ ii. 5 years: _______…
A: Introduction The greatest population number of a biological species that can be sustained by a given…
Q: Review the age structure graphs shown in Figure 5-15. How do patterns in the graphs indicate the…
A: Population has 3 age groups . 1. Pre-reproductive individuals- <15 years. 2. Reproductive…
Q: cept of trophy’s levels, including which types of organisms are found at each level, and why is this…
A: The trophic level is defined as the feeding level occupied by an organism in the food chain, food…
Q: Based on the data below, which of the following statements best describes an effect of population…
A: Population density is defined as the number of individuals found in a particular area.
Q: Look at the graph below. Grasshopper Population in Grassland - Green Grasshoppers - Brown…
A: The growth of a population depends on several characteristics. This includes food resources, space,…
Q: hat population patterns are exhibited by Population A and Population B below? How do you know?
A: Population can be defined as a geographical region occupied by organisms belonging to a specific…
Q: Give the equation for verhulst-poarl logistic growth of population.
A: The relative growth rate P /P decreases when P approaches the carrying capacity K of the…
Q: Name and describe the three types of dispersion that can be found in a population
A: The sum total of all the organisms that belong to a particular species and inhabit a particular…
Q: What factors affect the distribution patterns of the population? (i.e., why are some populations…
A: There are various factors effecting distribution patterns of the population. Following factors are…
Q: Would you give a real life example (not hypothetical) of crude density and ecological density?
A: Crude density It is the defined size of population in relation to the per unit of total space…
Q: Describe a situation in which a population would undergo the bottleneck effect and explain what…
A: Genetic drift is a component of advancement wherein allele frequencies of a populace change over…
Name two density-dependent and two densityindependent factors that can limit the size of a population.
Step by step
Solved in 2 steps
- Give two examples of density-dependent and two examples of density-independent factors that can limit the growth of a population.Describe the difference between density-dependent and density-independent effects on populations.Write a generalized model for exponential population growth. Define your terms. Then, draw a plot showing an example, being sure to label your axes. Write a formula that extends the preceding model to incorporate carrying capacity, producing sigmoidal population growth. Define your terms. Then, draw a plot showing an example, being sure to label your axes.
- You are studying a density - dependent turtle population that has the following relationships for the birth rate b’ and the death rate d’ as a function of population size (N) : b’ = 0.10 + 0.03 N - 0.0005 N ^2 d’ = 0.20 + 0.01 N Plot these functions in the same graph and discuss the population dynamics of the turtle. How does this model differ from the simple logistic model with linear birth and death functions?Contrast density-dependent versus density-independent population processes.Contrast exponential and logistic (= sigmoid) growth of a population. Under what conditions might you expect a population to exhibit ex-ponential growth? Why can exponential growth not be perpetuated indefinitely?
- Do density independent and/or density dependent result in carrying capacity for populations?Which set of values for the intrinsic rate of increase, finite rate of increase, and net reproductive rate could describe the same growing population? (Note: you should not need to do any math to figure this one out. Just think through general interpretations of each parameter) Or = -0.14, A = 0.87, RO = 0.5 r = 3.0, A = 0.22, RO = 0.5 r = 0.22, A = 1.25, RO = 3.0 %3! r = = 0.22, A = -0.14, RO = 0.5Give an example of how density-dependent and density-independent factors might interact.
- The per capita birth (b) and death (d) rates are measured for two populations across a range of population sizes in the attached figure. The equation for exponential growth rate is dN/dt=rN where the per capita growth rate is r=(b-d). The equation for logistic population growth rate is dN/dt=rN(1-N/K). With logistic growth, r varies as a function of the population size with density-dependent birth and/or death rates. See attached image If the death rate decreased, what would happen to the population trajectory for population A? a) increase faster b) increase slower c) decrease faster d) decrease slowerDescribe the three main types of dispersion patterns that can be observed in populations. Discuss at least one factor that might lead to each pattern.Explain how to estimate the per capita rate of increase in a population. How would you estimate intrinsic rate of increase?