Biology question and answers for November 07, 2023
- Q Which of the following is the collection of life's remains found mainly in sedimentary rock layers?homologous structuresvestigial structuresDNA sequencesthe fossil record
- Q Which of the following is most likely a vestigial structure?the beak of a finchflower colorthe human tailbonea fossil of a snail
- Q Which type of selection is described in the graph below?Disruptive SelectionStabilizing SelectionArtificial SelectionDirectional Selection
- Q Which of these is a correct statement about the volutionary relationship between a bacterium like Staphylococcus aureus and one of the great apes like Homo sapiens?Bacteria and humans both descended...
- Q Butterfly wings and bats wings are an example of this type of structure where they have the same external function to fly, but a different internal setup.Vestigial structureFunctional adaptationHomologous structureAnalogous...
- Q Light-colored oysters would blend into rocks in the shallows, and the darkest would blend better into shadows. The ones in the intermediate range make them easier prey. This is an...
- Q Species 1 and Species 2 pictured here are both referred to as crabs because of their similar body plan: they have a short tail region and a widehead/body region (the...
- Q Some apple maggot flies lay their eggs on hawthorn tree fruit, while other apple maggot flies lay their eggs on apples. Flies tend to lay eggs on the same fruit...
- Q Based on the information provided on each community, match each community to the system of government that would best meet each community's needs.Steele FieldsSmithvilleHappy Valleya.religious oligarchyb. democratic republicC. military dictatorship
- Q What is the most likely reason Andrew Carnegie had libraries built?A He wanted to make more buildings from steel.B He wanted to share his book collecti with the public.C) He...
- Q Choose all the answers that apply.Microevolution:includes evolution at the population and community levelrefers to evolution at or below the species levelis based on direct observationstudies evolution above the species level.analyzes...
- Q A mutation isa defect in the function of a cell.a change in a protein.a creation of an abnormal characteristic.a change in the trait of individual.a change in an organism's DNA...
- Q How did the Grants test their hypothesis that differences in birds' songs can keep finches from breeding with members of other species?They played the song of the medium ground finch...
- Q Based on your observations regarding beak depth and wing length, predict what might happen to body mass in the medium ground finch population over a few generations if small, soft...
- Q Different finch species have beaks of different shapes and sizes. These different beak structures are evidence ofdifferent finch species with different beak structures coming to the Galpagos Islands from the...
- Q Why is evolution considered to be a scientific THEORY?It is not true.It cannot be tested.Its ideas are supported by facts and inference.It is not accepted by the scientific community.
- Q The Powhatan were significant because theyA. made an alliance with John Smith and provided colonists with food.B. invaded and burned Jamestown down during Bacon's rebellion.C. taught colonists how to grow...
- Q Which best describes biogeographic isolation?It always leads to the formation of new species.It cannot lead to evolution.It is a mechanism for evolution.It occurs only through geographic forces.
- Q In the early 17th century, a small puritan population moved from the south of England to the island called Martha's Vineyard. The deaf man, Jonathan Lambert was among the early...
- Q When Mendel crossed tall and short parental plantsthe first generation were all tall.the first generation turned blue.the first generation were all short.the first generation were medium height.
- Q In each blank write the type of scientist (geologist, oceanographer, meteorologist, orastronomer)you would expect to find doing each of the following activities.__1. Taking seismic measurements of Mount Pinatubo in the...
- Q The skull called "Bodo" found 500,000 years agois an anomaly that prevents any conclusions from being formed.is an intermediate,belongs to a human.belongs to an ape.
- Q Column A__6. organisms best suited to the environment passthese to their offspring__7. location visited by Charles Darwin in 1835__8. to breed together__9. birds studied by Darwin on his travels__10. a...
- Q Phenylketonuria (PKU) is a birth defect that causes an amino acid called phenylalanine to build up in the body. The frequency of individuals born in a population with PKU is...
- Q What sort of scientific evidence could scientists produce that would support the idea that the relative darkness or lightness of the pigmentation of fungi is caused by thermal melanism?Observe a...
- Q Check all of the statements that correctly describe what is known about the evolution of feathers.Check All That ApplyUFossil evidence suggests that feathers evolved in the theropod lineage. Feathers were...
- Q What needs to happen and when in order to establish this inheritance pattern?Choose all that apply: pts deducted for including incorrect responses.de novo methylation occurs in one of the sexes...
- Q What is the primary justification of the hypothesis that the early Earth environment was void of oxygen? A.Data showing the concentrations of gases extracted from rocks B.Fossil evidence regarding the...
- Q Cladograms represent hypotheses of relatedness based on evidence. When cladograms are constructed from molecular evidence, scientists must examine genes to determine placement. What key factor should scientists look for when...
- Q Fossil footprint of a bipedal species in Tanzania revealed that the walkers' feet had a pronounced arch and a big toe in line with the other toes. This is an...
- Q Over evolutionary time, flowering plants have evolved colors, odors, and nectar that attract pollinating insects and the insects have evolved mechanisms that detect the changes in plants and to better...
- Q What is the mechanism/driving force behind evolution?gravitythe constant drive in all living things to become more intelligentnatural selectionthe competitive exclusion principle
- Q 3.3 of these choices were reasons why Americans moved to Oregon territory. Name one that doesn't belong. *Free and/or very cheap land.Land was easily farmable.They went for gold.They wanted to...
- Q Senescence is seen when animals have reduced fitness at the end of their life.TrueFalse
- Q Which of the following is NOT required for natural selection?Organisms differ in their fitness biodiversityOrganisms struggle to existOrganisms vary in their traitsOrganisms acquire their characteristics under environmental pressure
- Q Match the evidence for evolution with its example. Answers can bemore than once.The human knee bone and spinewere derived from ancestralstructures that supported four-legged animals.The genetic code is the same...
- Q How does homology relate to the theory of evolution?Homology refers to traits that are structurally similar in different organisms, like bat wings and human arms, because they each were inheritedfrom...
- Q Which of the following terms describes single "branches in the tree of life, where each represents an organism and all of itsdescendants?nodespolytomycladescharactersphylogeny
- Q Scientists believe that the re-creation of the origin of life in the laboratory would provide important clues to how life began on Earth. Whichof these steps in the experimental design...
- Q According to the theory of plate tectonics, plates interact at plate boundaries by reflecting each other, moving away from each other, or sliding past each other.TrueFalse
- Q Moths can show Natural Selection if the colour of their tree changes colour. An example of this is when the white lichen on the bark of their preferred trees turned...
- Q An error in genetic information present in a body cell of a mammal would most likely produce(1) rapid evolution of the organism in which the cell is found(2) a mutation...
- Q One difference between plant and animal cells is thatanimal cells do not have(1) a nucleus(2) chloroplasts(3) a cell membrane(4) centriolesA structure that performs a specialized function within acell is known...
- Q What facts or ideascaused Darwin toinfer that fincheshave developedadaptations to theirenvironment?A. The overproduction ofoffspring.B. The competition for limitedresources.C. A beak morphology thatmatches a variety of seedtypes.D. Appropriate camouflagesuited for the...
- Q Without [?], there can be no evolution by [ ].variationclonesweak individuals
- Q What examples did Darwin find that supported his ideas regarding evolution? A. Fossils of complex organisms that were older than fossils of more simple organisms. B. Fossils of simple organisms...
- Q The ultimate tool to provide evidence for evolution, which Darwin did not have access to, is A. molecular genetics or DNA technology.B. thermocyclers to incubate bacteria.C. air travel.D. the fossil...
- Q If an isolated population forms by choice, an uncommon genetic trait may become more common due to which phenomenon? A. The Founder EffectB. MigrationC. Genetic DisturbanceD. The Bottleneck Effect
- Q Natural selection results inChanges in inherited characteristics of a population over time.Survival of organisms that can out-compete other organisms for food, water, and shelter.All of the above
- Q According to the theory of evolution, an individual organism has high fitness if it...has a large number of acquired traitscan run long distances without becoming exhaustedreproduces more successfully than other...
- Q There are a variety of pollinating organisms for flowering plants such as honeybees. In recent years, a form of mite has infected and killed the honeybees in many areas of...
- Q Which factor most contributed to the United States' entry into World War I?The spread of German pro-war propaganda in the United StatesThe assassination of Austrian archduke Franz FerdinandSupport for the...
- Q Natural selection is BEST described asworking on existing variation of traits to favor those better suited to the organism's environment.causing the death of a significant proportion of the population.able to...
- Q Mark all of the characteristics that apply to Homo habilis.Steep facial slopeSmall caninesBowl-shaped pelvisLegs longer than armsBig toe in line with stride
- Q Mark all of the characteristics that apply to Australopithecus afarensisSteep facial slopeSmall caninesBowl-shaped pelvisLegs longer than armsBig toe in line with stride
- Q Mark all of the characteristics that apply to Ardipithecus ramidus.Steep facial slopeSmall caninesBowl-shaped pelvisLegs longer than armsBig toe in line with stride
- Q Identify the mechanism discussed below.The transfer of genes from one population to anotherDrives the changes that occur in populationsA permanent change in the DNA sequence of a geneThe random change...
- Q Mark all of the characteristics that apply to Homo erectus.Steep facial slopeSmall caninesBowl-shaped pelvisLegs longer than armsBig toe in line with stride
- Q Two populations of organisms are too similar in appearance for scientists to identify them as different biological species based on visual inspection alone. How can scientists determine whether the two...
- Q What was the primary purpose of the Law of April 6, 1830?Limited free speech in TexasAbolish the Constitution of 1824Stop immigration to Texas from the U.S.Make Mexico independent from Spain
- Q In undisturbed rock, lower layers are older and upper layers are younger. This principle, called the law of superposition, guides the relative dating of fossils found in different layers. In...
- Q In a long-term study of a population of gray squirrels, researchers observed that most of the squirrels had gray fur. However, there were some individuals in the population with white...
- Q A biologist observes that a species of stick insects on a remote island has three different color traits, almost equally distributed among the population. One phenotype is dark green, a...
- Q Some individuals of a particular species of sea bird underwent a genetic mutation that resulted in larger beaks. The larger size of beaks helped these birds to break open clams...
- Q Which of the following statement is true?A) Natural selection only works on non-heritable traits.B) Natural selection works on variation already present in the population.C) Individuals evolve through natural selection.D) Organisms...
- Q Consider the process of protein synthesis and the fact that the receptor proteins in the dark brown and light brown mice function differently.Make a prediction about what causes this difference...
- Q As the ozone layer gets thinner,________ increase(s).A. cataractsB. heart diseaseC. kidney diseaseD. brain cancer
- Q A) Identifying genes like HMGA2 is important, because it is evidence of natural selection. How does it demonstrate that natural selection occurred in Darwin's finches?Scientists observe the frequency of the...
- Q What are the 4 Principles of Natural Selection?InheritanceFitnessSelective PressuresCloningVariationCrossing Over
- Q According to fossil evidence, the modern horse shared a common ancestor with the Hyracotherium, a dog sized organism. It lived in the rainforest about 60 million years ago.Look at the...
- Q What are the 5 Fingers of Evolution?DNAAdaptationGene FlowMutationsNon-Random MatingSmall PopulationAmoebasHair Growth
- Q The Grand Canyon separates the Grey Squirrel on the South Rim from the Kaibab Squirrel on the North Rim. The two squirrels are now different species. This is an example...
- Q What was the essential experimental difference between the flasks in Pasteur's demonstration of biogenesis?the angle of tilt of the flasksthe composition of the nutrient broththe contact of the nutrient broth...
- Q Which statement most closely agrees with the theory of evolution bymeans of natural selection, as explained by Charles Darwin? Only the strongest organisms can surviveHumans were created from chimpanzeesOrganisms better...
- Q When speciation occurs because gene flow between populations is interrupted because of geographic isolation it is calledA. adaptive radiationB. allopatric speciationC. convergent evolutionD. sympatric speciation
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