Choose factors that affect population dynamics. | population size | relative number of individuals per life stage | population genetics geographical range of population
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Population Growth
R and K Selection
R and K selection are concepts in ecology used to describe traits in the fluctuation of a population or population dynamics. For example, they describe the life-association traits between parent and offspring, such as quantity or number of young ones born at a time, quality of parental care, the age to maturity, and reproductive effort.
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- Examine the age structure diagram. This diagram best represents a population that is: 100+ Male Female 01% |0.2% C.6% 95-99 9D-94 03% 1.% 19% 22% 1.3% 75-79 1.7% 70-74 23% 2.7% 65-69 2.7% 3.0% 60-64 3.0% 3.3% 55-59 3.5% 3.7% 5D-54 3.8% 3.9% 4549 4.0% 39% 4044 3.6% 3.8% 35-39 3.4% 3.4% 3D 34 3.0% 2.9% 25-29 2.8% 2.6% 2D24 2.% 2.5% 15-19 2.5% 2.4% 10-14 2.6% 2.5% 5-9 25% 2.5% 2.0% 2% 4% 0-4 22% 10% 10% Southern Europe - 2019 Population: 152,446,950 PopulalionPyramid.net growing quickly growing slowly not growing/is stable decliningWhat is the effective population size if 40% of the panmictic (=random mating) population of 100 humans are polygamous (i.e., typically having more than one mate) males and the rest are polygamousWhich of the following is not an assumption of a population in Hardy-Weinberg equilibrium? The population is infinite in size All genotypes in the population survive and reproduce equally well The population is closed to migration from other populations No mortality is occurring in the population Individuals in the population mate randomly with respect to genotype
- Open the Excel Spreadsheet: ACTIVITY Population Biology Data Analysis Perform data analysis for: Moose Find the "r" value for moose. Enter the "r" numerical value below. FOLLOW THESE INSTRUCTIONS OR YOUR ANSWER WILL BE MARKED WRONG AND NO CREDIT WILL BE GIVEN AFTER THE FACT: o No empty spaces before or after the number. Just type in the number. o Enter ONLY numerical values. If there is a decimal, put the number as a decimal. If the number does not have a decimal, do not put a decimal. For example, these are correct numerical entries: o 21.6 o 0.5 o 3.7 o 42 0 3 Do not wri DGenerational cohorts consist of people born within a few years of one another and who experience somewhat similar life events during their formative years. True O FalseBriefly explain how each demographic parameter can affect a population. This can be in terms of population structure, growth, decline or survival of the individuals etc.? Dispersion Age structure Fecundity Mortality Sex-ratio
- The image represents where you caught each of the deer within your 10-square-mile study area. Based on this, what pattern of population distribution does the local population appear to have? Near-uniform distribution Clumped distribution Random distribution Why might a population distribution like this occur? Because individual deer do not care whether they are close to or far from another deer Because the deer are all gathering around sources of food Because individual deer keep away from one another as much as possible in order to reduce competitionThe Hardy-Weinberg model describes a non-evolving population. Group of answer choices True False- SC5 X ET AET Login 9.core.learn.edgenuity.com/player/ cience - SC5181 A ent X + 1 2 3 4 5 v6.1.1-0050.20220124.mainline Ⓒ2022 Imagine Learning LLC Sudden change will affect the new population more severely due to the genetic bottleneck from a small population. The new population will be less genetically diverse than the original one since there are fewer alleles available. The populations would experience the same effects because all the bison that had been reproducing before the 12 bison left. Natural selection will affect the new population differently than it affects the original population. The new population will have less genetic drift than the original population because there are fewer genes. O O Question # 2 Multiple Select Suppose a population of 150 bison is wandering and grazing in an area where there is an old bridge across a river leading to a new field. After 12 bison make it across, the bridge collapses. Assuming equal numbers of males and females, what will most…
- What is the difference between the exponential (J-shaped) and the logistic growth model (s-shaped)? Select all that apply 0 Small populations grow more slowly in the logistic model because it assumes that there are fewer individuals capable of producing offspring The logistic growth model reaches and inflection point because resources can become limiting in large populations The exponential growth model assumes that there are no limitations of resources on a population no matter how large it gets Carrying capacity is only a component in the exponential growth model, not in the logistic growth model if populations were a metaphor for money, and you wanted to maximize your return on investment, you would choose the logistic growth model3. Based on your research of selective breeding, explain why population #2 resulted in taller trees than population #1? 4 You are tasked with breeding population 3. How will we breed tall plants using select plants from population 2? Explain your reasoning.1 Of the three models of population growth, which is the most accurate depiction of a population in a natural environment? exponential model linear model boom-and-bust logistic model