Question;Part 1 of 8 -16.65/ 16.65 PointsQuestion 1 of 303.33/ 3.33 PointsWhen an organism's DNA is permanently altered, we say that it A.metabolizes. B.reproduces. C.varies. D.sequences. E.mutates.Feedback:good Job!Question 2 of 303.33/ 3.33 PointsWhich of the following levels of organization is not included within the level of organism? A.Cell B.Organ C.Tissue D.Population E.Organ systemFeedback:Good job!Question 3 of 303.33/ 3.33 PointsThe main purpose of the queen fire ant is to A.find food. B.produce eggs. C.defend food. D.produce food. E.defend the eggs.Feedback:Good Job!Question 4 of 303.33/ 3.33 PointsHumans A.belong to the domain Archaea B.are classified as protists C.are prokaryotes. D.are descended from apes. E.share a common ancestor with apes.Feedback:Good Job!Question 5 of 303.33/ 3.33 PointsThe unity and diversity of living organisms on our planet can best be explained by which of the following processes? A.Evolution B.Reproduction C.Taxonomy D.Metabolism E.HomeostasisFeedback:Good Job!Part 2 of 8 -13.32/ 16.65 PointsQuestion 6 of 303.33/ 3.33 PointsA student wants to study the process of protein synthesis. What cell structure should he focus on? A.Mitochondria B.Ribosomes C.Cytoskeleton D.Nucleus E.LysosomesFeedback:Good Job!Question 7 of 303.33/ 3.33 PointsWhat is the function of transport vesicles inside a cell? A. move proteins between the nucleus and the endoplasmic reticulum B.move proteins between the endoplasmic reticulum and the Golgi apparatus C.move proteins between the SER and the RER D.move proteins between the nucleus and the Golgi apparatus E. move proteins between the endoplasmic reticulum and the cell membraneFeedback:Good Job!Question 8 of 300.0/ 3.33 PointsWhere are lysosomes produced? A.Nucleus B. Rough endoplasmic reticulum C.Golgi apparatus D.Smooth endoplasmic reticulum E.MitochondriaFeedback:Lysosomes are vesicles produced by the Golgi apparatus.Question 9 of 303.33/ 3.33 PointsWhich cytoskeletal structures on the lining of the respiratory tract are needed to sweep dust and debris away? A.Intermediate filaments B.Flagella C.Pseudopods D.Cilia E.Actin filamentsFeedback:good Job!Question 10 of 303.33/ 3.33 PointsWhat is the cell structure marked "E" on the animal cell diagram? A.centrioles B.mitochondrion C.nucleus D.lysosome E.nucleolusFeedback:Good job!Part 3 of 8 -16.65/ 16.65 PointsQuestion 11 of 303.33/ 3.33 PointsWhich of the following was a geologist who wrote The Principles of Geology, a very important book in helping Darwin shape the theory of natural selection? A. Cuvier B.Lamarck C.Wallace D.Fitzroy E.LyellFeedback:Good Job!Question 12 of 303.33/ 3.33 PointsIf two adjacent populations of the same species show gene flow, then the two populations will? A. become isolated from each other. B.adapt to different conditions and become separate. C.become more similar in their gene pools. D.develop into different species. E.develop into a species and a sub-species.Feedback:Good Job!Question 13 of 303.33/ 3.33 PointsBesides mutation, which of the following is important in generating phenotypic differences? A.Gene flow B.Stabilizing selection C.Microevolution D.Genetic drift E. Sexual reproductionFeedback:Good Job!Question 14 of 303.33/ 3.33 PointsWhen one group of organisms gives rise to several other groups of organisms, the original group is referred to as A.a transitional ancestor. B.an analogous ancestor. C. a homologous ancestor. D. a common ancestor. E. a vestigial ancestor.Feedback:Good Job!Question 15 of 303.33/ 3.33 PointsWhich line of evidence was not considered by Darwin as he developed his theory of natural selection? A.The fossil record B.Biogeography C.Comparative biochemistry D.Comparative anatomy E.Comparative embryologyFeedback:Good job!Part 4 of 8 -9.99/ 16.65 PointsQuestion 16 of 300.0/ 3.33 PointsWhen two species live in the same area but are active at different times of the day or year it is referred to as A.behavioral isolation. B.temporal isolation. C.mechanical isolation. D.genetic isolation. E.habitat isolation.Feedback:Several related species can live in the same locale, but if each reproduces at a different time, they do not attempt to mate.Question 17 of 303.33/ 3.33 PointsWhich of the following types of organisms would be found in unusually great numbers in the Burgess Shale? A.Soft-bodied invertebrates B.Mammals C.Dinosaurs D.Amphibians E.FishFeedback:Good job!Question 18 of 303.33/ 3.33 PointsIn some rare cases, mules are fertile, but their offspring are infertile. This is an example of reproductive isolation due to A.mechanical isolation. B.temporal isolation. C.F2 fitness. D.hybrid sterility. E.zygote mortality.Feedback:Good job!Question 19 of 303.33/ 3.33 PointsWhich statement about trends in the evolution of the modern horse is false? A.Trends in horse evolution were oriented toward the goal of producing the modern horse. B.Overall body size increased. C.The toes were reduced. D.Teeth became altered in shape. E.Teeth became altered in size.Feedback:Good job!Question 20 of 300.0/ 3.33 PointsThis figure shows various reproductive barriers which prevent the interbreeding of different species. What does "c" represent? A.Postzygotic isolation mechanisms B.Prezygotic isolation mechanisms C.Hybrid sterility D.Gamete isolation E.Temporal isolationFeedback:In temporal isolation, species reproduce at different seasons or different times of day.Part 5 of 8 -3.33/ 6.66 PointsQuestion 21 of 300.0/ 3.33 PointsWhich of the following is not a characteristic of a dependent variable? A.Its values are known when the experiment is designed. B.It is in response to the independent variable. C.It is a measurable outcome.Feedback:Refer to the lab simulation for details.Question 22 of 303.33/ 3.33 PointsThe independent variable in the experiment that is designed to test the effect of ECB on corn yields is: A.The frequency the plants were watered B.The level of ECB infestation C.The amount of nutrients in the soil D.The light conditionsFeedback:Good job!Part 6 of 8 -9.99/ 9.99 PointsQuestion 23 of 303.33/ 3.33 PointsWhich of the following are true statements about BT-corn? A.It can result in smaller yields of corn seed. B.In all cases it has been found safe for human consumption. C.ECB cannot become resistant to it. D.It can lead to the death of ECB larvae.Feedback:Good job!Question 24 of 303.33/ 3.33 PointsWhich of the following is not a mechanism by which the ECB larva causes damage to the corn plant? A.They chew off the tassels of the plant. B.They eat leaves. C.They bore into the midribs of the leaves. D.They eat their way into stalks.Feedback:Good job!Question 25 of 303.33/ 3.33 PointsThe damage the ECB causes in the corn plant leads to which of the following outcomes? A.Lower yields of corn kernels B.Larger sized ears C.Greater production of pollen D.More roots per plantFeedback:Good job!Part 7 of 8 -0.0/ 9.99 PointsQuestion 26 of 300.0/ 3.33 PointsWhich corn type showed the lowest yield under high infestations of ECB? A.BT 123 B.Super Harvest non-BT C.BT 456 D.Golden Crop non-BTFeedback:Super Harvest's yield was 128.17 grams at high levels of infestation, the lowest yield of all four types of seed varieties.Question 27 of 300.0/ 3.33 PointsAbove is a graph of the average yield for ?none?,? low? and ?high? infestations for the four corn types. Reading from the graph, which corn type showed the fastest rate in reduction of yield from the ?low? infestation to the ?high? infestation? A.Golden Crop non-BT B.BT 123 C.BT 456 D.Super Harvest non-BTFeedback:The Golden Crop had the steepest "drop" in its graph from low to high infestation.Question 28 of 300.0/ 3.33 PointsAbove is a graph of the average yield for ?none?,? low? and ?high? infestations for the four corn types. Rank the four types of corn from the type that was most affected by high infestations of ECB to the one that was least affected. A.Golden Crop non-BT, Super Harvest non-BT, BT 456, BT 123 B.BT 123, BT 456, Golden Crop non-BT, Super Harvest non-BT C.Super Harvest non-BT, BT 456, BT 123, Golden Crop non-BT D.BT 456, Super Harvest non-BT, BT 123, Golden Crop non-BTFeedback:The Golden Crop had the steepest drop in the graph from no infestation to high infestation whereas BT 123 had the least noticeable drop.Part 8 of 8 -0.0/ 6.66 PointsQuestion 29 of 300.0/ 3.33 PointsWhat is an independent variable? Include in your answer the independent variable in the corn lab experiment performed this week.Question 30 of 300.0/ 3.33 PointsExplain what both pupae and larvae mean.Comment:Ts.
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