Biology question and answers for November 08, 2023
- Q When did the first humans begin to settle in Mesoamerica A Upon Han Dynasty exploration C After Columbus landing B During the Ice Age D During the Bronze Age
- Q 17 2 points A large population of ants live on an island in the middle of a large river After the river is dammed the island floods and only the...
- Q 16 2 points Which of the following correctly describes how mutation as a process of evolution affects a population A Mutation is non adaptive and always increases the genetic diversity...
- Q 18 2 points The following phylogeny is a well supported hypothesis built using morphological and genetic data Which of the following statements about the phylogeny is incorrect A Humans are...
- Q Analyze the picture below to determine meaning for questions 11 12 11 How did this event initially affect the world in 1914 A It led to the creation of new...
- Q O Small structural changes in atoms may cause large changes in atom function O Small functional changes in atoms cause no change in atom structure O Small structural changes in...
- Q Temporal Isolation Behavioral Isolation Reproductive Isolation Mechanical Isolation Ecological Isolation Question 79 An organism s observable traits constitute its O Variaton Phenotype O Genotype 1
- Q 36 In this population the allele frequency of R is a 0 55 0 45 b 0 30 0 25 c 0 5 0 5 d 0 15 0 10...
- Q Happy Thanksgiving is probably NOT what the Native American population said when the Europeans came to North America Many diseases were brought with the Europeans that resulted in drastic population...
- Q True False Question 15 What pattern of natural selection is occurring in the the photos below WWW www XXXXX Directional Selection ww wwwx XXXX W XX www www th
- Q In a population with two alleles Fand f the frequency of the Fallele is 0 3 What is the expected frequency of heterozygotes if the population is not evolving a...
- Q Populations exhibit clumped distributions because a the environment is beneficial for growth Ob it puts potential mates within close range c it provides safety and opportunities for teamwork d all...
- Q Batesian mimicry is a defence mechanism where a colouration warns predators that the prey has very effective chemical defences Ob an organism blends into their environment essentially hiding from predators...
- Q A high population density puts a population at risk for Competition Disease Accumulation of toxic waste All of the above
- Q Population size is generally influenced by Death Rate Birth Rate O Immigration and Emigration All of the above
- Q Homo naledi a recently discovered hominin from South Africa may have been both as recent as 250 000 years ago as well as the first to Ouse fire O deposit...
- Q Give an example of both convergent and divergent evolution.
- Q How are molecular clocks used to measure evolutionary time?
- Q Stanley Miller was the first to show thatA amino acids and other organic moleculescould have formed under conditionsthought to resemble those of early Earth.B the earliest forms of life werephotosynthetic...
- Q The author of Passage 2 suggests that environmental scientists compromise their credibility when theydisguise their personal opinions as scientific consensusgather the opinions of their fellow scientistsmake public announcements
- Q Explain how a cladogram is used to show evolutionary relatedness.
- Q Explain the difference between convergent and divergent evolution.
- Q Which of the following provides evidence that vertebrates evolved from a common ancestor?Anatomical homologiesHomologies in development and embryologyGenetic homologies in DNABiochemical homologies in proteins and othersAll of the other answers...
- Q Precambrian time is much larger than the other eras of the geologic time scale. Earth's water, oxygen, and first living organisms originated during this time period. Why do you think...
- Q How can there be so many similarities between organisms, but also so many different types of plants, animals, and microorganisms?
- Q Explain how animal limbs, such as wings of a butterfly and a bird, developed similar functions but with different internal structures.
- Q Which of the following are primate characteristics (select all that apply)? long life history nails instead of claws on most digits side-ways facing eyes grasping hands & feet homodont dentition...
- Q The hypothesis that evolution occurs in "spurts" through geologic time is known asA. punctuated equilibrium.B. directional equilibrium.C. directional evolution.D. punctuated evolution.
- Q Why are humans most likely to form communities?A. To maintain codes of civil human conductB. To understand human group behaviorC. To fulfill human needs by working togetherD. To safeguard human...
- Q Because of humans and/or climate change, biologists think we may be on our way to the ______ mass extinction on Earth. A. 1st B. 129th C. 6th
- Q Which of the following demonstrates the strongest evidence for reproductive isolation between two populations?A, allopatric distributionB, a lack of demonstrable gene flow between two sympatric populationsC. sympatric distribution with considerable...
- Q Which of the following is NOT a pre-mating isolating mechanism of speciation? 1. Two populations of a species splitting into separate habitats 3.75 points Save Answer 2. Each of two...
- Q If you were a field biologist, and knowing nothing else, you observed a parasite feeding on the body of a larger organism. This singular observation demonstrates co-evolution. True False
- Q Overall, when we consider the number of animal families over time, the trend since the Cambrian until today has been for that number to increase decrease remain constant
- Q Long-term patterns of evolution that lead to speciation are known as:A. microevolutionB. macroevolutionC. creationismD. equilibrium
- Q Which of the following terms describes a diversification of species where unoccupied ecological niches are occupied and many new taxa (clades) evolve and further diversify producing a rise in the...
- Q In the case of cichlid fishes' adaptive radiations in separate African Great Lakes, the fact that the same forms have developed separately as a result of these adaptive radiations means...
- Q Which of the following are requirements for Hardy-Weinberg Equilibrium to persist in a population?A. no mutation can occurB. no immigration can take placeC. unlimited population size must always be presentD....
- Q Which of the following is a misconception about Evolution?Biological evolution involves change within a populationNatural Selection can be a cause for EvolutionEvolution violates the second law of thermodynamics.All of the...
- Q A population of toads have been happily living in an isolated swamp for the past hundred years. Scientists have decided to test whether or not this particular specie is limited...
- Q Other than natural disasters and large losses of individuals, how could a certain allele be lost from a population?A. having a large older generationB. individuals dying or not reproducingC. the...
- Q The Earth first cooled to form solid rock...6.5 billion years ago4.5 billion years ago3.8 billion years ago3.5 billion years ago
- Q Genetic diversity is is increased by which of the following?Bottleneck EffectMutationFounder EffectGenetic Drift
- Q Which of the following expanded on to land first?VertebratesInvertebrates
- Q The best fossilization should occurin what type of environment?A ForestA RiversideA Mountain topA Desert
- Q Dominant and __________ mutations which are beneficial to fitness take the least time to reach fixation within a population. Additive mutations Recessive mutations Frameshift mutations Substitution Mutations (SNPs)
- Q Both Charles Darwin and Alfred Wallace discovered their ideas on Natural Selection by studying creatures which evolved on islands.TrueFalse
- Q Which of the following periods ended with the so-called K-T (65 million years ago) which was responsible for the extinction of almost all Dinosaurs?OrdovicianSilurianPermianCretaceous
- Q he Hardy-Weinberg equilibrium model states that genotype and allele frequencies for a certain allele will remain constant from one generation to the next..A. only when the allele is dominantB. only...
- Q Monsanto's roundup herbicide has been successful in eliminating all weeds and plants which are not the intended, genetically-engineered, roundup resistant crops (for example: corn) from the fields where the intended...
- Q The level of heritability and the level of selection on a population are both factors which influenceThe level of genetic drift in the populationThe level of genetic variability in the...
- Q Which of the following early naturalists was the first to observe that different layers of sediment (strata) contain distinct groups of fossils?William SmithGeorges BuffonCarl LinnaeusNicholas Steno
- Q Alexey Kondrashov's deleterious mutation hypothesis suggests that _________ is selectively advantageous because it allows deleterious mutations to be dropped out of a population.balancing selectionsexual reproductiondisruptive selectionasexual reproduction
- Q If you contract the disease Malaria from a mosquito bite, chances are you will get sick and die. Those people who are homozygous dominant for this gene (having two copies...
- Q When Darwin returned to England from his voyage aboard the HMS Beagle, he immediately published his book The Origin of Species to beat his competitor Alfred Vallace propose his theoroy...
- Q Humans, Seals, and bats all have an upper pair of appendages (arms) which contain a first bone projecting from a shoulder/thoracic cage called the humerus, a pair of bones called...
- Q As Giraffes were evolving, those which could reach leaves higher in trees had a selective advantage, thus eventually the population developed longer necks. This form ofselection is an example of:A....
- Q The global human population has a doubling time of 35 years. Calculate the growth rate. Growth rate = 70/doubling time A. 3.5% B. 7% C. 5% D. 2%
- Q 4 points Gluten is a blend of proteins found in wheat, one of the primary products of the Agricultural Revolution which began over 10,000 years ago and that has brought...
- Q The evolution of the venomous bite known to be so common among venomous snakes represents...A single mutation which resulted in a massive evolutionary leap forwardA complex adaptationAn adaptation which had...
- Q In the case of the Gallfly which lays its eggs into the stems of Goldenrod Plants, what type of selection is taking place as both galls which are too large...
- Q Which of the following pieces of DNA is most likely to be under a regular (although random) predictable rate of mutation, and can be used to compare to other such...
- Q How does the presence of vestigial structures support evolution? A. It shows that all organisms have similar body plans. B. It shows that organisms have descended with modifications over time....
- Q What is a scientific definition for evolution? A. how modern organisms descended from older organisms B. a group of organisms that live together and can reproduce together C. something based...
- Q Mortality is lowest during the young stages fortype IIItype IVtype IItype I survivorship curve
- Q The concept of dysfunction is associated with which ONE of the following?(a) Talcott Parsons(b) Robert Merton(c) Emile Durkheim(d) Karl Marx
- Q 3. Which ONE of the following do Connell and Messerschmidt say refers to a dominant male gender identity that defines what it means to be a 'real man', and which...
- Q In a population of cats, the gene for spotted fur has two alleles. The dominant allele leads to spotted fur, and the recessive allele leads to solid-colored fur. Genetic tests...
- Q In Atapuerca 5, early archaic Homo sapiens and Neandertal specimens show heavy wear on the incisors and canines, indicatingthe use of the front teeth for gripping materials.the chewing of massive...
- Q According to Darwin's theory of natural selection, the individuals that tend to survive are those that havea. the greatest number of offspring.b. characteristics their parents acquired by use and disuse.c....
- Q Each of the following is a condition necessary for natural selection to occur EXCEPTa. fitness varies among individuals.b. more offspring are born than can survive.c. there is heritable variation among...
- Q Suppose a drought caused the local extinction of all insects, slugs and clams. This allowed the drought-resistant "deep stick bug" to grow in their absence, which lives 12 centimeters underground....
- Q What are four large-scale evolutionary patterns?Gradualistic evolution, anagenesis, gene flow, genetic driftAnagenesis, gradualistic evolution, cladogenesis, statisCladogenesis, anagenesis, statis, mutationNatural selection, anagenesis, mutation, cladogenesis
- Q In the lake, there is a population of 2000 fish. There are 3 color varieties of fish. The color is determined through incomplete dominance from 2 alleles (B and Y)....
- Q Bats are mammals which have wings and can fly like birds. What would be the BEST argument for placing these organisms in separate branches of a cladogram? Bats and birds...
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