生物
細胞生物學、遺傳學、生態學與生命科學基礎。
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question 2 of 10 these dot plots show the lengths (in feet) from a samp…
B. Alligators have a smaller IQR because there were some very long alligators (high outliers).
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question 15 how is natural selection in the evolution of long necks in …
Question 15: Giraffes with longer necks survived because they were better suited to the environment. Question 16: If the new gene for stripes increases the survival of the tree fr…
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5. the labradoodle is a breed of dog created when a labrador retriever …
C. gene flow, since traits from one population are being mixed with a different population
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what did james estes notice was happening to sea otter populations afte…
1. They were declining 2. A remote island called Clam Lagoon
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4. which of the following cases best illustrates speciation from a comm…
B. A single species of snails colonize a newly formed marshland formed by a retreating glacier. Over several thousand years different groups of the snails are separated geographic…
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what moderate reforms did european socialists support? check all that a…
- assistance for the poor - better working conditions - minimum wage laws
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question 13 4 pts about 300 million years ago, the land of earth was in…
1. true 2. false 3. true 4. false
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question 11 4 pts earth has undergone some catastrophic changes from ti…
genetic variation
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scientists claim that a healthy coral reef is rich in biodiversity. whi…
D. Coral reefs provide food and shelter for many ocean animals including corals, anemones, clams, and fish.
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what does the idiom in this text suggest? cell phones once cost an arm …
Cell phones were once very expensive.
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make sure you scroll down to answer both questions on this page. what k…
B. lichen ### Second Question (Fill - in - the - Blanks) Assuming typical ecological succession options (e.g., primary succession, because the glacier melting exposes bare rock wi…
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3. how many miles can monarch butterflies travel during their migration…
3,000 (la opción con "3,000")
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a student has pulled a food chain from the food web above. she wants to…
Trophic Level 1: Brittlebush Trophic Level 2: Palid - Wing Grasshopper Trophic Level 3: Grasshopper Mouse Trophic Level 4: Red - Tailed Hawk
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question 6 1 pts in a phylogenetic tree, the most recent common ancesto…
B. at the branch point just above the root (bottom) of the tree.
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2. scientists graphed the changes in oyster shell color over time. oyst…
Oysters with light-colored shells could blend into the rocks in the shallows of a river, while the dark-colored oysters would blend into the shadows. This camouflage allowed the l…
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question 4 what kind of information is not typically used to construct …
D. GPS location ### Question 5
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1. a biologist wants to measure the effect of gene flow between populat…
C. An investigation that determines a change in allelic frequency of a wolf population by the immigration of a wolf from another population.
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question 2 classification schemes (how scientists think organisms are r…
False ### Question 3
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question 9 4 pts using the diagram of the geologic time scale above, wh…
1. true 2. false 3. true 4. false
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imagine you are a scientist observing a wild population of rats. you st…
Variation 1 is increasing because its trait (e.g., white color) gives individuals a survival advantage (like camouflage in a light - colored environment) over those with variation…
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which action is an example of genetic modification (creating gmos)? (1 …
B. making crops resistant to pesticides by inserting a gene from another organism
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which sentence can best follow and support sentence 14? a he suddenly r…
B. His other pockets were usually full, with items such as change, paper clips, and rubber bands.
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while all giraffes are tall they are not all the exact same height. wit…
B. Directional Selection
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what is the name of the process that plants use to remove carbon dioxid…
B. photosynthesis
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why are bacteria a necessary part of the nitrogen cycle? other living t…
A. Other living things cannot use atmospheric nitrogen.
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which statement best describes a human influence on the biogeochemical …
A. increased eutrophication caused by high levels of nitrogen and phosphorous
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after a bottleneck event, the population of rabbits in an area has sign…
To solve this, we analyze the context of a bottleneck event (a sharp population reduction) and subsequent recovery. ### Step 1: Understand the Bottleneck Effect A bottleneck event…
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which of these nutrients can be found in all organic compounds? nitroge…
carbon
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thiobacillus denitrificans is a species of bacteria that obtains its en…
B. denitrification
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actinobacteria sp. are fermenting organisms, which do not require oxyge…
C. decomposition
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why is st. petersburg referred to as the northern capital of russia? st…
B. A large number of foreign consulates, international corporations, and banks are located there.
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which are limiting nutrients for plant growth? water and nitrogen nitro…
D. phosphorus and nitrogen
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what is the term for a group of organisms that consist of a common ance…
C. Clade
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3. how do neurons communicate? please describe the process of communica…
### Question 3: 1. An electrical signal (action potential) travels down the sending neuron to its axon terminals. 2. The signal triggers vesicles in the axon terminals to release …
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question 2 1 pts the hypothesized evolutionary history of a species or …
B. phylogeny
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physical & chemical weathering, and soil formation quiz earth and space…
1) (1) water 2) (3) chemical 3) (2) warm and wet
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which of the following sources of information features peer - reviewed …
B. Journal of the Academy of Nutrition and Dietetics
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us history eoc review worksheet: chapters 4-7 read the description or d…
1. Bessemer Process ### Question 2 (Part A: Innovation & Inventors, Question 2)
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which of the following observations is an example of a positive correla…
B. When women gain less weight than average during pregnancy, the birthweights of their babies tend to be lower than average.
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question 2 (matching worth 4 points) match the place to its description…
- Galápagos Island - D) A place where you can see giant tortoises - Lake Limpiopungo - A) A lake with a unique high altitude ecosystem - Chalchuapa ruins - B) A place where you se…
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how do the cells at the end of this process (right) differ from the par…
The daughter cells are haploid but the parent cell was diploid
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which system includes structures like the ovaries and testes? * muscula…
C. Reproductive System
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question 2 how does crossing over create genetic variation? it results …
C. it results in the swapping of genes on homologous chromosomes (assuming the third option is labeled C; if the original labels were different, adjust the label but keep the desc…
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what do hormones do in the endocrine system? * filter blood act as mess…
B. Act as messengers
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what process is shown in this image? options: crossing over; random gen…
crossing - over; new combinations of genes are made
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how many bones do adult humans typically have? * 106 206 306 406 1 point
B. 206
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what is the primary function of the respiratory system? * producing blo…
C. Exchanging oxygen and carbon dioxide
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which is true about meiosis? ○ meiosis is the process where proteins ar…
The correct option is: Meiosis produces four genetically different sex cells (gametes)
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which system coordinates voluntary and involuntary actions in the body?…
B. Nervous System
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which is true about meiosis? - meiosis is the process where proteins ar…
The correct option is: Meiosis produces four genetically different sex cells (gametes)
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what is the largest organ in the integumentary system? * ○ hair ○ nails…
C. Skin
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which type of cell division results in half the number of chromosomes i…
B. Meiosis
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10. which of the following is an example of a secondary source? a a per…
D. a textbook
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question 7 0.45 pts how does meiosis create genetic variation? each gam…
C. Each gamete produced has a different combination of genetic information (assuming the third option is labeled as C; if the original labeling was different, adjust the identifie…
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the greenhouse effect name date reading passage during winter storms, e…
B. Heat trapped by gases in the atmosphere ### Question 2
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how does fertilization create genetic variation? it brings together gam…
A. It brings together gametes with different combinations of genetic information.
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how does fertilization create genetic variation? it brings together gam…
A. It brings together gametes with different combinations of genetic information. ### Second Question (Which process produces new cells for growth and repair of the body?):
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which system is responsible for breaking down and absorbing food? * 1 p…
C. Digestive System
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how many major human body systems are discussed in the video? * 8 10 11…
C. 11 (assuming the options are labeled A:8, B:10, C:11, D:12)
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animal experiments in scientific studies, animals are sometimes used fo…
b. first paragraph ### Question 2
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what is the primary function of the lymphatic and immune system? * prod…
B. Protecting the body from pathogens
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how is light transmitted to the brain? auditory nerve sciatic nerve opt…
C. Optic nerve
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multiple select question select all that apply a person can develop an …
- refusing to be a victim - thinking positively - taking responsibility
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names: devon nush instructions: the purpose of this assignment is to ap…
1. Neuroscience is the interdisciplinary study of the nervous system (including the brain, neurons, and neural pathways) that explores how these structures generate biological sig…
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pedigrees practice in humans, albinism is a recessive trait. the disord…
1. AA = normal Aa = normal (carrier) aa = albino 2. Father (shaded square): $aa$ Mother (circle): $Aa$ Daughter 1 (circle): $Aa$ Daughter 2 (circle): $Aa$ Daughter 3 (shaded circl…
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final reflection (required) in a well - developed paragraph, explain ho…
The Industrial Revolution reshaped global societies profoundly. In Britain, James Watt’s improved steam engine revolutionized production and transportation, fueling factory - base…
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grammar passage throughout most of the world, the seasonal pattern of w…
C. The low output
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1. which members of the family above are afflicted with huntington’s di…
1. I-1, II-2, II-3, II-5, III-3 2. Dominant 3. 6 4. 2; 1 5. Niece and aunt; Grandmother and grandson 6. Recessive 7. Unaffected parents have an affected child, which is a hallmark…
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the hotel chain about collared here assesses personal moral reasoning b…
C. Relaxing summer and fall holidays generally cause fuel rates to increase
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what major environmental movement did \silent spring\ help launch? the …
the modern environmental movement
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fuel resources like oil and coal. consequently, it prompted intensive e…
B. exposed the vulnerability of the US's dependence on fossil fuels
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unit review - energy use environmental benefits. choosing led bulbs is …
fluorescent lights
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an instrument that uses electrons rather than light to magnify and visu…
A. Scanning electron microscope
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12. know some basic excel facts, such as how cells are named and what c…
- Cell Naming: Excel cells are named by combining the column letter (e.g., A, B, C...) and row number (e.g., 1, 2, 3...), like A1 (column A, row 1), B2 (column B, row 2), etc. - C…
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grammar passage bacteria in hailstones airborne bacteria have lately 23…
D. indicate that
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12. why does a streak plate need to be cleaned after each use?
A streak plate needs to be cleaned after each use to prevent cross - contamination of microbial cultures in future experiments, eliminate the risk of spreading potentially pathoge…
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salutary neglect “when i know that the colonies in general are like or …
First question: D. the feeling that led people in the American colonies to seek independence Second question: A. British failure to enforce the Navigation Act of the mid-1600s.
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wind power is the fastest growing alternative energy source and is ulti…
A. The wind does not blow consistently across the United States
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grammar passage print your own equipment the “maker movement” is a tech…
A. NO CHANGE
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alternative energies can be used without running out. what do we call t…
B. Sustainable
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what part of the cell cycle does the cell spend most of its life in? mi…
B. Interphase (assuming the options are labeled as A. Mitosis, B. Interphase, C. Cytokinesis for clarity, with the correct option being Interphase)
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chapter 11 exam 1. question text partially visible a. option text parti…
B. Irredentism ### Question 3
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which choices are examples of self - governance during the period of sa…
A. town meetings D. House of Burgesses
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multiple-choice question true or false: in this scenario, if the fisher…
TRUE
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colonists, especially patriots, reacted strongly to the series of taxes…
A. Salutary neglect
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norepinephrine (ne) multiple choice always has an inhibitory effect on …
The correct option is: has either an excitatory or inhibitory effect on the effector.
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cholinergic receptors that are always excitatory in the presence of ach…
D. nicotinic
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the sympathetic division is also called what? multiple choice thoracolu…
A. Thoracolumbar division
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question 1 1 pts match each process to the correct description. transcr…
(Assuming typical biology - related options) Transcription: [Option related to DNA to RNA synthesis, e.g., "Synthesis of RNA from a DNA template"] Translation: [Option related to …
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which cranial nerves are associated with the parasympathetic division o…
a, d, e, f
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question 13 some animals are fussy eaters. for example, the diet of blu…
Animals that eat only one type of food have no dietary backup. When their sole food source is threatened by ecosystem changes (e.g., krill populations declining due to ocean shift…
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what is the maximum number of fish each fisherman can catch to make thi…
1 (corresponding to the option "1")
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postganglionic axons are multiple choice myelinated. unmyelinated. some…
C. sometimes myelinated and sometimes unmyelinated (assuming the options are labeled A, B, C with A: myelinated, B: unmyelinated, C: sometimes myelinated and sometimes unmyelinate…
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what is the most essential requirement for all wildlife? ○ home range ○…
B. Water
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the sympathetic division of the ans has multiple choice long postgangli…
D. All of the choices are correct
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nota cultural argentina is famous for its parrilladas—steak and other g…
1. c. ¡Usa tus lentes! 2. d. ¿Qué tal si buscas un pasatiempo? 3. g. Debes dormir lo suficiente. 4. b. Necesitas seguir una dieta sana. 5. h. Toma jugo de naranja y descansa. 6. e…
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1. if the neuron secretes acetylcholine, it is a(n) ______ neuron. 2. i…
cholinergic ### Question 2
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which is not an effector innervated by the autonomic nervous system? mu…
D. Skeletal muscle
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dual innervation means that visceral effectors are innervated by pregan…
True
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multiplying polynomials independent practice name date pd use your know…
\(x^2 + 4x - 21\) #### Problem 3: \((-6x - 1)(4x - 3)\)