A population increases when new individuals are born. A population may decrease in size if individuals move away from it. Births Emigration Population Population Increases Decreases Immigration Fish population Deaths A population may increase in size if individuals arrive from elsewhere. A population decreases when individuals die. Four Factors That Affect the Size of a Population Factor Definition. Increases or Decreases Population Size 1 3 4

Q: In the event of a major crop shortage, such as the Irish Potato Famine, humans experience similar to…

A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…

Q: Use each of the terms below only once to complete the passage. carrying capacity population density…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Human populations have which type of survivorship curve? a. Type I b. Type II c. Type III d. Type IV

A: Answer is a.)  Type I.

Q: Year Fish Population 2000 2001 2002 10 50 75

A: The population of fish possibly grew because of abundant amount of food available and lesser…

Q: What is the key characteristic of a population exhibiting a type Il survivorship curve? large…

A: Survival curve represents the no of organism in a populations survive with respect to their age.…

Q: The population of salmon in Lake Maria has remained constant, at around 2,000 for the past 10 years.…

A: The species are either r-selected or k-selected according to the nature of their growth patterns. in…

Q: What is the major difference between density-dependent and density-independent factors? A.…

A: Both density dependent and density independent factors affect the growth rate of the population my…

Q: Population of bears modeled by logistic model dp = 0.008p(100 – p). What is the bears dt population…

A: Logistic model of population growth of the bears given by the equation dpdt=0.008p100-p where p is…

Q: Which two factors can both cause a population to increase? birth rate and emigration birth rate and…

A: The collection of all the individuals of a same species in a particular area at a particular time is…

Q: If the number of births in a population are greater than the number of deaths and th emigration rate…

A: The population of a species is affected by various factors. The major contributors are birth rate,…

Q: In a certain population of rabbits, 25 new rabbits are born and five move into the population from…

A: BASIC INFORMATION  POPULATION GROWTH  The size of any species in a population is not a static…

Q: A kid let go 7 snails he bought at the pet store in a pond. A year later, the population of snails…

A: The population's per capita (per individual) rate of growth remains constant regardless of…

Q: In the George Washington national forest there are a large number of white tailed deer. What is…

A: To find: The factors that directly influence the population size of the  white-tailed deer in the…

Q: The number of individuals that occur per unit area is calleda. populationb. population growth.c.…

A: Step 1 Population ecology is the study of all aspects of the population found in an area and the…

Q: 350 300 C 250 200 150 В 100 A 50 10 20 30 40 50 60 70 Time (number of generations) the above graph,…

A: Various methods have been deployed by population ecologists to obtain an accurate model that can…

Q: In an effort to measure the size of a bluegill population in a pond, you set 10 traps for bluegills.…

A: Initially 40 bluegills are marked with the help of traps. After a week 40 were caught out of which 8…

Q: A population of Emperor Penguins has 140 individuals in 2015, when they are counted again in 2017…

A: To find: The per capita growth rate of the population of Emperor pengiun

Q: State 4 pieces of info that is necessary to calculate the ecological footprint for any human…

A: The ecological footprint is the measure of the impact of humans on the earth's ecosystem, which…

Q: A kid let go 8 snails he bought at the pet store in a pond. A year later, the population of snails…

A: A population exhibits a exponential growth when it grows in ideal environment which have unlimited…

Q: Which of the following statements is false? People immigrate to other areas for job opportunities.…

A: Introduction :- Emigrate is to go from one place to another, such as one's home country or region.…

Q: Which of the following is a density-independent factor limiting population growth in humans?…

A: In ecology, maintenance of growth and distribution is very important for stability of ecosystem.…

Q: The change in population size for Canada in 2015 was an increase of 272 990. In the same year, the…

A: The change in population is calculated as the number of births minus deaths and net migration is the…

Q: Which of the following would NOT be a characteristic of a population? Reproductive rate Species…

A: The ecosystem is composed of many biotic and abiotic factors. The interactions between abiotic and…

Q: A population bottleneck will typically result in; A larger, more diverse population A smaller, less…

A: Answer- A smaller,more diverse population.

Q: A wildlife preserve currently has 30 elephants. If the population grows as expected, the population…

A: If the number of elephants in a wildlife preserve is 30 and it doubles every 30 years. Then incoming…

Q: Which statement is a reasonable inference based on the information in the given graphic? Average…

A: Bass fish Bass means perch, it is a universal common name for many fishes. The term includes all…

Q: On a global scale the population increases when its birtate exceeds its death rate in assessing an…

A: The birth rate refers to the total number of live births per thousand population of a specific…

Q: Briefly explain how each demographic parameter can affect a population. This can be in terms of…

A: Population is a reproductively interactive group of animals of a single species. A few individuals…

Q: Water wisteria is an aquatic plant that is easy to care for and reproduces very quickly. A small…

A: The population is the number of individuals of a particular species that are located in a particular…

Q: For Questions 1–6, write True if the statement is true. If the statement is false, change the…

A: Resources or other environmental factors that can slow population growth are limiting factors.…

Q: Assuming that a population is not near the carrying capacity of its environment, what is likely to…

A: Carrying capacity is the term which describes the maximum population a place accommodate its…

Q: The Human Population and Its Impact: Population Ecology Compared to a developed country, which of…

A: Population Ecology:   Population ecology is a branch of ecology concerned with the dynamics of…

Q: Which of the following statements about the world population is NOT true? The world population was…

A: The population changes are occured in every year.

Q: Which of the following is NOT true regarding population density? As population densities increase,…

A: We have to identify statement which is not true regarding population density.

Q: Data Table Fish Population 10 50 Year 2000 2001 2002 75 uanYBaAtpFxiZ-Z7T

A: The population of fish got decreased because there must have been competition for limited food…

Q: N/K”for a population can represent:a.environmental resistance.b.logistic component.c.population size…

A: Population refers to all the organisms of the same group of species that live in a particular area…

Q: Limiting factors that have a greater impact as the population gets bigger are called ____ while…

A: A limiting factor can be defined as an environmental condition that limits the distribution and…

Q: Assuming that a population is not near the carrying capacity of its environment, what is likely to…

A: Population is divided into 3 categories- pre reproductive, reproductive and post reproductive. On…

Q: What could cause a decrease in the carrying capacity of a population? Increase in Increase in…

A: Carrying capacity of a population is defines as average population size in a particular habitat. It…

Q: If births and immigration are greater than death and emigration how will a population change? Group…

A: A Population has different attributes which helps to compare two different populations.

Q: Which of the following could be reasons why population sizes may reach and maintain plateaus? Select…

A: Ecosystem balance, often known as "ecosystem homeostasis," is influenced by both factors that tend…

Q: When a population reaches a stable age distribution all age classes have the same mortality rate…

A: Answer;- older individuals outnumber younger individuals Explain;- The thought of stable age…

Q: Population growth that is dependent on the number of individuals A. Arithmetic Growth B. Carrying…

A: Each population has the tendency to grow. Population may show several types of growth pattern such…

Q: This graph represents two lines that show World Population Growth, 1750-2150 2150 2100 2050 2000…

A: The graph depicts the distribution of population. The population has been plotted against the years.…

Q: You are watching a documentary on television about grizzly bears in North America. The narrator is…

A: Introduction The Grizzly Bear Is A Population Or Subspecies Of Brown Bear That Lives In North…

Q: Environmental factors can influence the survival rate of the organism in a population. Name at least…

A: Survival rate of individual in a population is the percentage of people who are alive and are fit…

Q: A kid let go 4 snails he bought at the pet store in a pond

A: Exponential population growth occurs in the presence of unlimited resources and no negative…

Q: Which of the following statements is false? a) People immigrate to other areas for job…

A: Immigration is the international movement of people to a destination country where they are neither…