Which of the following is a factor that would decrease the size of a population? A. Death rate is higher than the birth rate B. Abundant food supply C. Immigration D. Birth rate is higher than the death rate
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Which of the following is a factor that would decrease the
A. Death rate is higher than the birth rate
B. Abundant food supply
C. Immigration
D. Birth rate is higher than the death rate
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- Why is the world population increasing? Select one: a. Women in developing countries are continuing to have more children, thereby increasing the global fertility rate. b. Advances in medical technology are allowing the world population to live longer and decrease infant mortality. c. The global birth rate is continuing to surpass the death rate. d. A significant portion of the global population is getting older and retiring earlier.The graph shows the worldwide human population from 1950 to 2050. Data for the future years are predictions. According to the ideas of Thomas Malthus, what are the predicted changes to the human population after 2050? A. The population would continue to increase at the same rate, due to constant food supplies. B. The population would increase more rapidly, due to advances in technology. C. Eventually the population would stop increasing or would decrease, due to lack of food and living space. D. Eventually the population would decrease to zero, because of war, famine, or disease.When a population of organisms is evolving, what can you be sure is happening? a. No change is occurring b. It is improving c. It is becoming more human-like d. It is changing
- Which of the following describes the efforts of Black Africans in South Sudan to remove themselves from Arab-dominated Sudan to form their own country? A. Diversionary incentive B. Irredentist C. Rally effect D. SeparatistWhat is the major difference between density-dependent and density-independent factors? A. Density-dependent factors are more harmful. B. Density-independent factors affect the population despite the density. C. Density-independent factors are more harmful.According to Thomas Malthus, at what rate is the population increasing? a naturally b linearly c slowly d exponentially
- A good number of snail population in the stagnant waters between rice paddies is growing under natural conditions with limited resources. As the snail population increases in size, how will population density affect its growth rate? a. Population density will increase and the rate of population growth will eventually slow. b. Population density will remain constant and population growth will increase. c. Population density will become unstable and population growth will stop. d. Population density will decrease and population growth will eventually increase.Use the following information to answer the next question. A stromatolite is a form of sedimentary rock created by single-celled cyanobacteria (blue-green algae) which lived in shallow saltwater seas. Black bands of iron oxides are found in these rocks dated about 3.8 to 2.5 billion years old. Recent stromatolite formations don't have these iron oxides. Stromatolites provide evident that our modern atmosphere differs from the atmosphere of ancient Earth. Table 2.1 Stromatolites Which activity of the cyanobacteria is most likely the reason our modern atmosphere is different from the atmosphere of ancient Earth? Select one: a. Photosynthesis b. Nitrification c. Calcification d. Cellular respiration O OOnce the Soviet Union and the United States acquired large supplies of nuclear weapons, the chances of direct military conflict between the two decreased. This is an example of which of the following ways that states can reduce the likelihood of war? A. Increasing the costs of going to war B. Dividing apparently indivisible goods C. Increasing the number of actors involved in a conflict D. Increasing transparency
- Make a list of things that you can do to help control the population explosionGrowth rate of a population is determined by: A. The increase in the number of people per unit of time. B. The number of people being born minus the number of people dying. C. The number of children living per each two adults. D. The number of people times the number of children each one has per year.Population growth that adds the same number each year A. Arithmetic Growth B. Carrying Capacity C. Intrinsic Rate of Growth D. Exponential Growth