生物
細胞生物学、遺伝学、生態学、生命科学の基礎。
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16 multiple choice 4 points the idea that governments should be respons…
Otto von Bismarck
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question 8 of 15 what is an effect of gene flow? ○ a decrease in the va…
an increase in the variety of alleles within the gene pool of a population
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which statements are true for both genetic bottlenecks and the founder …
C. They both result in a smaller gene pool., E. They both happen by chance.
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fix any punctuation or capitalization errors below. click \submit answe…
Edna Krabappel was late to class this morning. She got distracted watching her kitten chase his tail in a circle.
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the tree is decorated with green ornaments and red ornaments. there are…
The number of red ornaments on the tree is 2.
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which of the following could result in the founder effect? the annual m…
the establishment of a small colony of nonhuman primates on an isolated island off the coast of Africa
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which of the following is an example of nonadaptive evolution? select t…
D. A mutation causes an increase in the incidence of antibiotic sensitivity in a population of Staphylococcus aureus., E. The gene pool of a drastically reduced population of nort…
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what is happening in the image below? green light is refracted and all …
Green light is reflected and all other colors are absorbed (the option in the green - colored box, i.e., the bottom - left option in the 2x2 option grid)
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question 2 of 15 which of the following must be true if a population is…
- The gene pool is changing over the course of generations. - The allele frequency of the population is changing over time.
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policies current attempt in progress the pressure of a monatomic ideal …
1 (corresponding to the option "1")
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add or remove commas, if necessary, until the sentence has correct punc…
Anais Watterson won the checkers tournament on May 11, 2010.
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who decorates faster? you place 25 ornaments on the tree in 12.5 minute…
Your sister decorates faster because your rate of decorating is 2 ornaments per minute and your sister's rate is 2.5 ornaments per minute, and \( 2.5 > 2 \).
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name cleopatra identify: use the word bank to identify each description…
1. Pharaoh 2. Caesarion 3. asp 4. Actium 5. Ptolemy XII 6. Caesar 7. Antony 8. Octavian 9. Ptolemy XIII 10. Isis
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to answer this question, first click here to view the associated video.…
Increases by a factor of \(\boldsymbol{\sqrt{2}}\) (the option "Increases by a factor of \(\sqrt{2}\)") ### Second Question (Internal Energy of Monatomic Ideal Gas)
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5. pick one food chain (with at least 3 organisms) and draw a trophic p…
Food Chain: Grass → Rabbit → Fox Trophic Pyramid (as table above) with Grass (Trophic Level 1, 100% energy), Rabbit (Trophic Level 2, 10% energy), Fox (Trophic Level 3, 1% energy)
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read this excerpt from a passage. unfortunately, one response to these …
The fourth option: Unfortunately, one response to these regulations has been pirate fishing: fishing done without regard to national or international laws.
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read this paragraph. rocky mountain national park, nicknamed ocky,\ is …
The option "There are four ecosystems inside Rocky Mountain National Park: riparian, montane, subalpine, and alpine tundra." (the third option in the list of choices, considering …
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classify the following questions as biased or fair. complete parts (a) …
### Part c: C. The question is fair because fashion is not too controversial to discuss. ### Part d: D. The question is biased because the question is asked in a suggestive way.
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read this paragraph from a passage. however, not everyone is convinced …
However, not everyone is convinced that genetically modified foods are beneficial.
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question 19 of 19 classify the examples as prezygotic or postzygotic ba…
Prezygotic barrier: One goat species prefers flat land, whereas another goat species prefers mountainous terrain; One fly species mates in the morning, whereas another fly species…
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question 18 of 19 example type of sympatric speciation snails with left…
1. mechanical isolation 2. habitat isolation 3. temporal isolation 4. behavioral isolation
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the offspring produced between the mating of a tiger and a lion, a lige…
hybrid infertility
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in addition to the beak differences, which statement indicates that the…
They can no longer interbreed.
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question 15 of 19 what is reproductive isolation? ○ prevention of gene …
prevention of gene flow between two populations due to physical or behavioral barriers
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the biological species concept is one of the most important evolutionar…
a group of individuals that can interbreed and produce fertile offspring.
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question 13 of 19 according to the biological species concept, what is …
organisms that can interbreed in nature to produce healthy offspring
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question 12 of 19 what is inbreeding depression? ○ an increase in the f…
a decrease in fitness of a population as a result of related individuals breeding
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what does having higher fitness mean in an evolutionary sense? ○ an ind…
Individuals with genotypes favorable for current conditions are more likely to survive and reproduce.
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question 10 of 19 natural selection is the primary process responsible …
Individuals with adaptive inherited traits are more likely to survive and produce offspring.
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question 9 of 19 two hypothetical populations of rabbits live on a moun…
There is gene flow between the low and high elevation populations.
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which scenario describes an example of gene flow? in a population of ra…
Some of the rare, red-winged finches from a small island fly to a nearby island to feed. They mate with the native brown-winged finches, which results in an increase in the red-wi…
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which scenario describes an example of the bottleneck effect? a mistake…
Overhunting of the American bison caused the population to decrease from millions to a few hundred by the late 1800s. Conservation efforts brought the population back up, but ther…
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which scenario describes an example of founder effect? some of the rare…
A small number of British colonists occupied a small island between South America and Africa during the early 1800s, establishing a new population. This population has different a…
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which scenario describes an example of genetic drift? some of the rare,…
D. A drought killed many of the orchids living on a small island. By chance, only the pink and purple varieties survive, whereas the white-flower variety is lost completely.
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question 4 of 19 identify which conditions are necessary for hardy–wein…
Hardy-Weinberg equilibrium: no migration, no natural selection, no mutation, no genetic drift, random mating Evolution: natural selection, genetic drift, migration, mutation, nonr…
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question 3 of 19 a population of organisms is said to be in hardy–weinb…
There is no net mutation of genes., Random mating occurs within the population., There is no migration in or out of the population.
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the proportion of alleles present in a gene pool is called the ______ a…
allele frequency
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the complete collection of genes and their variants within a population…
gene pool.
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a researcher wants to establish, in a laboratory, a population of flies…
A. The fly population must be remarkably large in size (i.e., "infinite").
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the biological species concept defines a species on the basis of: the a…
the ability to mate and produce fertile offspring.
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a population of ants on a median strip has 12 different alleles, a thro…
B. The frequency of alleles A through L remains the same.
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a hurricane results in a rapid habitat loss that eliminated a large pro…
false
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a population of dogs has three alleles for teeth size: l (large), m (me…
E. Small teeth will be missing.
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what are two ways that genetic diversity can be reintroduced into a pop…
mutation and gene flow
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using the diagram on the left, how many blue alleles would be expected …
21
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two populations of wild hogs live on a similar crop farm that produces …
a gene involved in detoxification of chemicals and toxins
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in researching a paper for a non - majors biology class, a student come…
by a small number of heterozygotes in the population
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add or remove commas, if necessary, until the sentence has correct punc…
Princess Fiona, I've been told, is an excellent hockey player.
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using the diagram on the right, what would be the frequency of red alle…
0.21
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reproductive isolation among a population of the same species is always…
false
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which population of organisms would most likely be in hardy-weinberg eq…
a population of mice in a laboratory
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a population of aliens with similar genetics as humans is affected by a…
24%
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the starting population of mice consisted of the following allele frequ…
false
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which form of reproductive isolation could not be overcome by in vitro …
gametic isolation
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random changes of allele frequency in a population between generations …
genetic drift.
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there are two populations of trout in an area, both of which inhabit a …
gene flow.
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which of these is a mechanism/are mechanisms of nonadaptive evolution? …
mutations, genetic drift, and gene flow
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how does geographic isolation contribute to speciation? by changing the…
by making it more difficult for members of the species to locate each other.
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different mating times, either seasonal or diurnal versus nocturnal, ar…
temporal isolation
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the formula that calculates the frequency of genotypes and phenotypes t…
the Hardy-Weinberg equation.
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population genetics is the study of the: genetic makeup of populations …
genetic makeup of populations and how it changes over time.
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select the word or phrase that is redundant and can be removed without …
a person
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complétez les phrases avec la forme correcte d’un des verbes de la list…
1. s'occupe 2. se dépêche 3. s'ennuient
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in a group of pea plants, some individuals have round peas and others h…
The Punnett square filled with genotypes: - Parent 2's gametes (top row): \( e \), \( e \) - Parent 1's gametes (left column): \( E \), \( e \) - Top - left cell: \( Ee \) - Top -…
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question 7 of 10 read this passage from \the black cat\: \by the bye, g…
D. Repetition of words or phrases
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add or remove commas, if necessary, until the sentence has correct punc…
I was surprised when the llama tried to lick Edna Krabappel's cheek.
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question 6 of 10 read this passage from \the black cat\: the officers b…
B. It creates the effect of time passing quickly in the story.
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select the scenarios that describe diversifying selection. select the t…
B. In a patchy underwater habitat, light-colored oysters blend into the rocks and dark-colored oysters blend into the shadows., D. In a species of butterfly, both the white- and b…
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question 3 of 10 what does poe use in the black cat to make the reader …
D. The internal first - person point of view
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select the explanation for why a phenotype is selected for in the first…
A. The phenotype leads to higher rates of survival and reproduction in the first environment but lower rates of both in the second environment.
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question 10 of 13 select the statement that describes how fitness and n…
Alleles well-suited to the environment increase the fitness of organisms, allowing for higher survival and reproduction so that the beneficial alleles are passed on to future gene…
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question 8 of 13 select the statement that describes how an organism’s …
The more suitable an environment is for an organism’s phenotype, the higher the organism’s fitness level.
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select the scenarios that show how an organism’s fitness is dependent o…
A. A butterfly living in a wildflower field has higher reproduction rates than the same butterfly living in a wooded area, E. A population of field mice in the forest has lower su…
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question 5 of 13 if bacteria reproduce through asexual reproduction, ho…
mutations, gene transfer
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question 4 of 5 what events from \the black cat\ seem to prove the wife…
C. A second black cat, very similar to the narrator's first cat, appears out of nowhere.
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question 4 of 13 why is gene transfer among bacteria significant to hum…
E. A gene carrying antibiotic resistance can be transferred among bacteria, decreasing the likelihood that the antibiotic is effective in treating certain diseases.
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question 3 of 13 what happens to the parent cell during binary fission?…
It elongates, replicates its DNA, and divides in two.
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question 2 of 13 what is the result of binary fission? ○ four daughter …
two daughter cells with genetic material identical to that of the parent cell
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question 1 of 5 which events happen first in edgar allan poes \the blac…
D. The narrator says he will die the following day as a consequence of his actions.
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it was a matter of chance that i should have rented a house in one of t…
The words "strangest" and "unusual" suggest that the narrator is about to tell the story of an odd or puzzling group of people.
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mrsa is most likely to be problematic if found ○ in the bloodstream. ○ …
A. in the bloodstream.
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question 24 of 25 how do beta-lactam antibiotics kill sensitive bacteri…
C. by destabilizing the cell wall
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question 23 of 25 what is the environmental pressure in the case of ant…
the presence or absence of antibiotics in the environment
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the evolution of antibiotic resistance is an example of random selectio…
B. directional selection.
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the term \mrsa\ as it is used today refers to all bacteria that are res…
E. S. aureus bacteria that are resistant to many antibiotics.
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read the paragraph from the hot zone and the summary that follows it. o…
A. Remove the phrase "It is petrifying" because it expresses a personal feeling. D. Add the phrase "and spread throughout the human species" to the end of the statement to more fu…
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what is the evolutionary process that causes antibiotic - resistant bac…
natural selection
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question 10 of 10 how does nikolai gogol achieve suspension of disbelie…
D. By using typical events to describe what happens after the nose disappears
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if you examine a natural population of bacteria, it is common to find s…
C. The resistant strain developed as a mutation and had no negative effect on fitness.
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read the paragraph from the hot zone. she took up a scalpel and slit th…
C. Signs of simian fever and Ebola can be similar.
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3) choose the best answer. which answer is not a way groups influence i…
B. An individual internalizes an attitude because one believes it is right and true.
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question 18 of 25 why is the evolution of antibiotic resistance in bact…
because of overuse of antibiotics in livestock, because of overuse of antibiotics in humans, because the use of antibiotics drives bacterial populations to evolve resistance
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question 17 of 25 © macmillan learning a bacterial cell with which modi…
B. the ability to produce an enzyme that breaks down the antibiotic
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4) choose true or false. a person who is merely compliant in a group wi…
False
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question 16 of 25 a single staphylococcus aureus cell gets into a wound…
2, 4, 16777216
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5) choose the best answer. a(n) _____ is a fallacy because each member …
stereotype
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question 15 of 25 which statements describe ways in which antibiotic re…
Antibacterial soaps are used at home, at schools, and in hospitals. Animal feces is used as a fertilizer for food crops. Poor kitchen hygiene transfers bacteria from raw meats to …
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question 3 of 10 read this passage: \i understand nothing,\ answered th…
A. Kovaloff doesn't question why his nose is walking and talking.
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answer attempt 2 out of 2 the degree of \\( f(x) \\) is \\( \\underline…
For relative maximums, the answer is 2 (assuming the graph has two peaks). But based on the blue box, maybe 1. Wait, maybe I misread. Alternatively, the correct number of relative…
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can s. aureus be present in or on a person who has no evidence of an in…
yes; S. aureus is a common skin bacterium