Biologie
Zellbiologie, Genetik, Ökologie und Grundlagen der Lebenswissenschaften.
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darwins observations for natural selection which of the following is no…
Evolution is ultimately a change in allele frequencies in a population.
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who developed the binomial system of nomenclature? georges - louis lecl…
False
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47 linnaeus classification system linnaeus developed his classification…
fixity of species and the sequential ladder of life.
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on the galápagos islands, the amazing tool - using \woodpecker finch\ c…
The behavior is probably 'hardwired' and passed on genetically.
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question 4 read the following scenario and answer the question(s) below…
flip a coin for each dog to see which group it will be in
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49 the role fossil evidence played in darwins theory darwins assumption…
B. fossil
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the founder effect is an example of genetic drift in which rare alleles…
True
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which of the following likely does not reflect the presence of one or m…
The average body size of individuals in a population is smaller in a drought year than in a year with normal rainfall.
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all of the following are examples of natural selection except multiple …
D. the 150 breeds of dogs developed from ancestral wolves
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darwin was very interested in why animals on distant and isolated landm…
C. biogeographical
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which of the following piece of fossil evidence was not observed during…
A. 13 different species of fossilized finches on the Galápagos Islands
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which of the following conditions is necessary to maintain the hardy - …
random mating
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founder effect which statement is not true about the founder effect? mu…
The founder effect occurs when a population is subjected to near extinction and then recovers so that only a few alleles are left in survivors.
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the theory of ____ proposed that sudden and widespread disasters that r…
C. catastrophism
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if there is gene flow between two adjacent populations of the same spec…
B. have similar gene pools.
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over many generations man has chosen certain desirable characteristics …
C. artificial selection
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birds and insects both have wings, but we do not consider this similari…
D. the wings are not homologous structures with a common ancestral origin.
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in his theory of natural selection, darwin incorporated the premise tha…
D. Malthus
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13. in caucasian humans, hair straightness or curliness is thought to b…
The frequency of $I_s$ allele is 0.426 and the frequency of $I_c$ allele is 0.574.
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34 requirements for hardy - weinberg which of these conditions is not a…
A. small population
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2 dark moths were released into either a clean forest (b) or a polluted…
The moth population in forest A are experiencing reproductive success.
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how would you grow a streptomycin - resistant strain? e. coli bacteria …
Pick a colony of bacteria from the streptomycin positive plate and grow it on a streptomycin positive plate.
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1 how would you grow a streptomycin - resistant strain e. coli bacteria…
Pick the resistant colonies from the streptomycin - containing agar plate and transfer them to a liquid medium (e.g., LB broth) containing streptomycin.
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calculating the frequency of the dominant allele in a sample population…
C. 0.40
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hardy - weinberg equilibrium. what does it mean for a population to be …
There are no changes in gene frequencies from one generation to the next.
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3. in caucasian humans, hair straightness or curliness is thought to be…
(a) The frequency of the $I_s$ allele, $p = 0.426$ and the frequency of the $I_c$ allele, $q = 0.574$. (b) The population is not in Hardy - Weinberg equilibrium. The chi - square …
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source of new alleles which of the following is the source of new, nove…
mutation
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susceptible bacteria graph bacteria from three different cultures were …
Culture corresponding to Plate C
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3. allele frequencies within populations dominant alleles are always th…
False
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selective agents two agar plates, one containing the antibiotic strepto…
D. the antibiotic streptomycin
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at the beginning of a research project on egg laying in seagulls, a res…
B. directional
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which of the following best describes the mechanism of action of the an…
It disrupts protein synthesis in nonresistant bacteria.
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lamarcks inheritance of acquired characteristics. lamarcks inheritance …
There is a natural force in all living things that pushes them toward perfection.
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post darwinian view of the world. which of the following is not an idea…
Life originated through evolution.
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darwins journey aboard the hms beagle 3 what was darwins main purpose d…
D. to serve as the ship's naturalist
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if the mutation rate of individual genes is taken to be about one in 10…
B. More selection of mutations can occur in a shorter period of time for bacteria that replicate each twenty minutes than for humans with a (roughly) 20 - year generation span.
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26 natural selection. which of the following statements about natural s…
- First statement: True - Second statement: False - Third statement: True - Fourth statement: False
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if the small groups of viking explorers in greenland and north america …
B. genetic drift among the original Viking explorers
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lets say you inoculate four agar plates, each containing a different an…
D. Bacteria in the patient's sample are susceptible to antibiotic A but not B, C, and D
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e. coli bacteria were spread on both agar plates and incubated for 24 h…
The bacteria were susceptible to streptomycin.
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marsupials are more numerous in australia than south america because of…
True
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darwins geometric ratio of increase. darwins geometric ratio of increas…
the overproduction potential of a species
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22 consequences of the bottleneck effect the bottleneck effect is thoug…
True
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21 description of the oldest mammals the oldest mammals were large, din…
False
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transitional species which of the following features were present in th…
fins, simple wrist bones, and expanded ribs
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fossils like archaeopteryx offer evidence linking multiple choice fish …
D. birds and dinosaurs
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2 natural selection natural selection occurs when multiple choice a new…
a new genetic variation occurs that allows individuals to have a reproductive and survival advantage.
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multiple choice it acts on genotypes rather than phenotypes it assures …
On average, it favors the survival of individuals that have adaptive characteristics.
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individual a produces 10 offspring, 8 of whom survive to adulthood. ind…
False
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moth graph during the fourth generation, 200 dark moths were captured f…
500
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10 selecting a resistant strain of bacteria how will you select and gro…
Expose a sample of E. coli to streptomycin by inoculating it onto a streptomycin positive plate. Any colonies that grow will carry a mutation for resistance.
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in a population, 25% of individuals exhibit albinism which is a lack of…
0.50
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how does an antibiotic act as a selective agent in promoting bacterial …
Bacteria with a random mutation that allows resistance to that antibiotic are able to survive exposure and reproduce, passing the resistance mutation on to subsequent generations …
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recessive allele frequency typica al carbonaria 14, 20 if 10 typica mot…
- The Typica moth population would decline. - The Carbonaria moth population would have a reproductive advantage in the polluted forest. - The Carbonaria moth would be less likely…
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for her first speech, elena plans to explain her interest in gymnastics…
1. C. chronological 2. A. cover a single aspect of the topic
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natural selection changes in gene frequency which of the following mech…
B. natural selection
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use of the hardy - weinberg equation even though a population in true h…
It can be used to detect changes in gene frequencies in a population over time.
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24 multiple choice 4 points organisms that make their own food by captu…
24. primary producers 25. are functions that arise from interactions between a system's components.
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which of the following apply to the development of streptomycin resista…
The E. coli population has genetic variation. The selective agent is streptomycin. The mutation resulting in streptomycin resistance is random.
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what did charles darwin propose after observing the 11 - inch - long ne…
1. E. the existence of a pollinator moth with a proboscis of 10 - 11 inches 2. B. locomotion
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about 12,000 years ago, a mass extinction event occurred and 75% of the…
Cheetahs have very little heritable variation, which will make it difficult for them to adapt as the environment changes.
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21 multiple choice 4 points all ecosystems need a source of external en…
21. need a source of external energy. 22. None of the answer choices are correct.
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chapter 15 & 16 test 15 platos ideas about species an idea that could b…
variation is due to imperfections in copies of some perfect ideal form.
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organisms that obtain energy and nutrients by eating either living or d…
1. E. consumers 2. C. maintaining homeostasis
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homeostasis means that conditions inside a cell or organism remain with…
1. conditions inside a cell or organism remain within a constant range. 2. do not have a nucleus, eukaryotes have a nucleus in their cells.
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15 multiple choice 4 points which of the following is an example of a c…
15. E. All of the answer choices are correct 16. A. false
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3 bacterial growth result 2 resistant and nonresistant e. coli bacteria…
The resistant E. coli strain grows on streptomycin negative plates. The nonresistant E. coli strain grows on streptomycin negative plates.
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14 multiple choice 4 points examine this diagram. note the structure of…
The organisms in domain Archaea are more closely related to the organisms in domain Eukarya than those in domain Bacteria.
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imagine a friend offers you a pill and says its safe since its a prescr…
Suggest a better alternative to using pills.
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using hardy - weinberg to calculate heterozygous individuals. in a spec…
48
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12 multiple choice 4 points the four kingdoms included in the domain eu…
12. B. Protista, Fungi, Plantae, and Animalia 13. true
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10 multiple choice 4 points the smallest scale of biological organizati…
10. false 11. C. organ
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moth graph percentage during the fourth generation, 27% of the dark mot…
73%
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requirements for natural selection 14 a population must have ______ for…
heritable variation
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13 features of the founder effect and the bottleneck effect what do the…
Both the founder effect and the bottleneck effect are forms of genetic drift.
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a structure, such as a flower in plants, or a liver in animals, consist…
1. B. organ 2. None of the provided options are correct as the main information supporting the separation of bacteria and archaea into different domains is differences in cell - w…
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but the great security against a gradual concentration of the several p…
B. Systems of checks and balances
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the branches of government would each serve as a watchdog on the other.…
A. Checks and balances
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22 multiple choice 4 points decomposers are a special group of primary …
22. false 23. one or more cells.
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12 changes in allele frequency. what is the term used to describe the c…
D. genetic drift
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19 multiple choice 4 points what did charles darwin propose after obser…
19. the existence of a pollinator moth with a proboscis of 10 - 11 inches 20. None of the answer choices are correct.
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members of a population of guinea pigs exhibit one of three possible co…
Most guinea pigs would be either black or white.
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the recessive allele for sickle cell anemia is more prevalent in region…
A. heterozygous advantage
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7 features used to determine evolutionary relatedness the fossilized re…
C. body size comparisons between the two species
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organisms that make their own food by capturing energy from nonliving r…
B. primary producers
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examine this diagram. note the structure of branches connecting groups …
The organisms in domain Archaea are more closely related to the organisms in domain Eukarya than those in domain Bacteria.
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the basic unit of classification in the taxonomic hierarchy, designatin…
1. species 2. organ
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which of the following ideas was most commonly held in the eighteenth c…
the fixity of species
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5 misconceptions about evolution which of the following misconceptions …
There are no transitional fossils.
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13 multiple choice in living organisms, emergent properties are produce…
13. are functions that arise from interactions between a system's components. 14. false
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4 mutations that result in resistance to specific antibiotics mutations…
D. at any time, even when the bacteria are not exposed to the drug
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11 multiple choice which of these is not a required characteristic of l…
11. locomotion 12. false
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select the two sentences that use the word correctly. after you have ma…
B. Effective motivational speakers often use repetition to make their point. D. Our painting was a worthless repetition of the famous portrait. E. She finds the mindless repetitio…
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question 11 which of the following statements is not true of proteins? …
Question 11: Plant proteins are complete proteins Question 12: Polysaccharides are highly soluble
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darwins observations during his journey aboard the beagle. which of the…
A. geological formations and species variations
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10 multiple choice 4 points until the late 1970s, there was no \domain\…
10. Differences in DNA among the existing kingdoms showed a need for a broader naming category. 11. (The third option not fully shown in the question)
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questions 9 & 10 refer to the following situation: two siamese and thre…
The frequency of allele $F$ is $0.9$ and the frequency of allele $f$ is $0.1$. ### 10.
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the correct sequence going from smallest to largest is cell - tissue - …
1. C. atom - molecule - organelle - cell - tissue 2. A. consumers
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brussels sprouts. at thanksgiving, your friend laments about having to …
False
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using hardy - weinberg to predict evolution. in a population, the allel…
is not evolution did not occur