Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
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start of the atomic age forming up at the end of the world war ii, us g…
to minimize casualties
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in the summer of 1945, a pivotal decision was made by president harry t…
estimated casualties of 90,000 to 146,000 due to radiation poisoning
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in the summer of 1945, a pivotal decision was made by president harry t…
recommendations from military advisors
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how will manufacturing be conducted to conserve natural resources? ques…
Question 19: B. Competition Question 20: C. Regulating business activity
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take quiz which of the following is not one of the fundamental assumpti…
1. The key industries are owned and controlled by the government. 2. How will manufacturing be conducted to conserve natural resources?
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select the correct answer. physics is explicitly involved in studying w…
C. the motion of a spacecraft under gravitational influence
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select the correct answer. which topic in a biology textbook is directl…
B. osmosis and cellular transport
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describe boas influence on americas traditionally entrenched ideas abou…
Boas challenged racial - based hierarchies, emphasizing cultural relativism and historical particularism. Foundational tenets include rejection of racial determinism and focus on …
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which statement best summarizes the claim and purpose of the previous p…
The authors' purpose is to persuade readers that sugar production created a system that relied on slavery, but also paved the way for revolution.
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johanna makes the table below to organize her notes about centripetal f…
gravity
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president lincoln issued the emancipation proclamation after o the unio…
the Union's effectiveness at the Battle of Antietam.
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read the passage from sugar changed the world. the leaders of the ameri…
B. by quoting Thomas Jefferson's views on the dangers of enslaved Haitians rebelling C. by describing John Adams's actions to support Haiti in its fight against the French E. by i…
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question 13 which of the following statements accurately describes the …
Question 13: Primary sources provide firsthand information and are essential for obtaining the most accurate understanding of a scientific question. Question 14: 10 billion
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question 18 imagine you are a student researching the effects of climat…
Article A is more reliable than Article B because it is published in a scientific journal and authored by experts who conducted field research.
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which statement best explains how the authors develop their claim acros…
Both passages show the historical details that led the abolitionists to support the American Revolution
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as news of the toughened sugar act reached the north american colonists…
Both passages show the historical details that led the abolitionists to support the American Revolution
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question 7 1 pts which of the following is a problem with reliance on e…
It does not help a child learn to behave just because it is the right thing to do.
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in the case of the peppered moths in england, when kettlewell set up ca…
Some individuals are better adapted to a particular environment.
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66 gene mutations gene mutation occurs at any time, without respect to …
True
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you are employed by the natural history museum of chicago as a wildlife…
B. Male beetles are bigger and more brightly colored than females.
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which of the following agents of evolution will help a population becom…
natural selection
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most of darwins observations about changes in species over time and in …
D. South America
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the organisms on the galapagos islands that were most important to the …
C. tortoises and finches
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human rights versus property rights. that argument goes on today as, fo…
B. The authors use events from French history to demonstrate how attitudes toward slavery and the sugar trade changed during the 1700s
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a population of organisms that reproduce asexually will display more va…
False
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if the hardy - weinberg equilibrium is met, what is the net effect? mul…
D. no evolution because the alleles in the population remain the same
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question 7 ecosystem services _______. contribute to keeping ecosystems…
A. contribute to keeping ecosystems productive
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which naturalist wrote a 44 - volume natural history on plants and anim…
Leclerc
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erasmus darwin, in his discussion of evolutionary possibilities, includ…
C. vestigial organs
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which quotation states the claim of the passage? sugar was the connecti…
D. "The global hunger for slave - grown sugar led directly to the end of slavery."
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analogous structures serve the same function, are similarly constructed…
False
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56 factors that change allele frequency which of the following would ch…
D. a small population is hit by a storm that kills off 30% of the population
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period 5 of this course encompasses the era of what major war? the amer…
the American Civil War
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over the course of millions of years various environments have changed.…
B. directional
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homologous structures homologous structures such as the bones in wings,…
E. comparative anatomy
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which of the following observations is not part of natural selection as…
The larger, stronger individuals in a population will live longer and pass on more offspring.
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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