Which change in a gene pool is occurring in the image below? mc022-1.jpg gene mutation gene flow genetic drift genetic resistance Mark this and return
Acetaminophen is a medication most commonly given for what purpose? A) as an antibiotic B) as an antihistamine C) as a pain reliever D) as an antiviral
Which statement is a valid claim that could be made using the data in the graph? A. Directional selection is occurring because the graph favors an extreme. B. Stabilizing selection is occurring because the average is favored. C. Disruptive selection is occurring because the two extremes are favored. D. Biodiversity selection is occurring because of the greater variation. Answer: B
What process describes the transfer of heat through matter by molecular activity?conduction convectionradiationevaporation
Which of the following results in the release of nuclear energy? a.Only the breaking of nuclear bonds. b.Only the forming of nuclear bonds. c.Both the breaking of nuclear bonds and the forming of nuclear bonds. d.Neither the breaking of nuclear bonds nor the forming of nuclear bonds.
Calcareous ooze is an example of A. Terrigenous sediment B. Bio genous Sediment C. Hydrogenous sediment D. Both A and B
Which scientist developed the idea that microorganisms can cause diseases? Paul Ehrlich Anton van Leeuwenhoek Louis Pasteur Alexander Fleming
Which of the following is not a long-term effect of mining in the Picher Mining District? a. increased levels of lead in the bloodstream b. increased incidents of kidney disease c. increased levels of particulates in the air d. increased amounts of vegetation
The structure that temporarily stores food in an amoeba is called the: A) Heterotroph B) Gullet C) Vacuole D) Autotroph
A protostar is _____. a. a region of space from which light cannot escape b. a small star that will continue as a main sequence star for hundreds of billions of years c. a star with a core of neutrons d. the stage after a star completes its main sequence existence e. the stage before a star becomes a main sequence star
As the temperature of lava increases, a. its viscosity decreases. b. it begins to harden. c. its viscosity increases. d. it can flow a much shorter distance.
What general type of microscope uses bright illumination and multiple glass lenses? optical dark electron compound
How has science led to advancements that benefit society? a. Science increases the understanding of natural processes, which leads to technological advances. b. Scientific exploration has led to a social imbalance. c. Scientific understanding leads to technological advances, which contribute to environmental degradation. d. All of the above
The equation total # of people in an area/(land) area in km2(or mi2) is used to calculate a. growth rate b. population density c. death rate d. carrying capacity
How did the use of groundwater change from preindustrial times to industrial times? a. Groundwater use decreased from preindustrial times to industrial times. b. Groundwater use increased from preindustrial times to industrial times. c. Groundwater use remained virtually the same from preindustrial to industrial times. d. Groundwater was not used during preindustrial times.
Which of the following statements about heredity is accurate? a. It is based on personal choices and determination. b. It is the passing of characteristics from parents to children. c. It can be changed with sufficient medical care and knowledge. d. none of the above
Cell receptors and antibodies are similar in that both? b. are highly specific in their actions c. slow the rates of chemical reactions d. are involved in digestion
What is true of most reactants in living things? A) They do not have the energy needed to react at normal body temperatures. B) Enzymes that help them react do not work at normal body temperatures. C) Catalysts are not required for reactions at normal body temperatures. D) They have all of the energy needed to react at normal body temperatures.
6. What kinds of organisms carry out photosynthesis? a. plants, algae, and fungi b. bacteria, algae, and fungi c. plants, algae, and bacteria d. bacteria, fungi, and plants
Which type of environmental scientist is likely to study the interactions of gorillas? a. Hydrologist b. Toxicologist c. Environmental Veterinarian d. Ecologist
5. The chart below shows the genotypes that correspond to human blood types(see below). Which of the following is demonstrated by human blood type? -principle of dominance and segregation of alleles -incomplete dominance and polygenic traits -multiple alleles and codominance -heterzygous phenotypes between two homozygous phenotypes
Animals contribute to soil formation through decomposition of organic material. Please select the best answer from the choices provided T F
Which organ system is found in both animals and plants? a. immune system b. circulatory system c. digestive system d. skeletal system