生物
细胞生物学、遗传学、生态学与生命科学基础。
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what is the next step in this experimental design? repeat the exact sam…
figure out how the mutations are helping the bacteria tolerate the heat
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question 5 1 pts which of the following does not have a direct effect o…
techniques for determining the age of fossils
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question 4 1 pts all mammals have hemoglobin, but the amino acid sequen…
B. the gorilla
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excerpt from to be famous we must be ambitious by rosetta dunigan. the …
D. She argues that wealth and ambition can both be helpful or harmful, depending on their use.
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dr. wolski does research on the potential relationship between neurotra…
2) biological psychology
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examine the following figure. according to this figure, which two breed…
Sight hounds and Scent hounds
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question 2 (6.67 points) saved listen for you to experience the pain of…
4) sensory neurons
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fill in the missing words biological catalysts are called. they lower t…
1. Enzymes 2. Activation 3. Alternative 4. Stable 5. Orientation
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how did the worlds countries solve the problem that mean solar time var…
The world was divided into 24 time zones, with all communities within a time zone keeping the same mean standard time.
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assignment active identifying central ideas but thy eternal summer shal…
Your beauty will never fade, because you will live forever in the lines of this poem.
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question 48 points 3 how did the labor movements in the early 20th cent…
They demonstrated the domestic challenges of rapid industrialization and economic growth.
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all mammals have hemoglobin, but the amino acid sequences are not ident…
B. the gorilla
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multiple choice question what had daniel shays followers been promised …
Their land would not be confiscated for unpaid debts and back taxes.
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question 8 however, even with advances in technology, alternative energ…
can be costly to set up initially cannot be used everywhere cannot generate energy in large enough amounts
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what was a common challenge faced by cities during the industrial revol…
Overpopulation and pollution
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question 2 1 pts evolution is constantly occurring at the same rate in …
a process that occurs as a result of differences in reproductive fitness.
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what was a common challenge faced by cities during the industrial revol…
Overpopulation and pollution
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question 1 1 pts whales have tiny thighbones embedded in the skin next …
a vestigial structure.
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question 1 1 pts how did cities change during the industrial revolution…
They experienced significant growth and overcrowding
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a city council is debating the construction of a new shopping center. i…
The neighborhood business association presents research and organizes testimony.
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mias family added a sunroom onto their house several years ago, which r…
1. glass 2. solar cell
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complete the text with the detail that most logically develops the narr…
With their hopes of victory over the British vanishing, some men weren't likely to reenlist.
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question 3 directions: match each key word or phrase with the renewable…
burning wood: biomass photovoltaic cell: solar energy dam: hydro - power turbine: multiple renewable energy systems (e.g., wind, hydro) heat from the earth: geothermal energy
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question 39 points 2 how did the federal reserve act of 1913 address ec…
By establishing a central banking system to stabilize the economy
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question 37 points 3 how did franklin d. roosevelts leadership influenc…
A. By providing substantial support to Allied nations through the Lend - Lease Act and ultimately leading the U.S. into the war
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read the passage. the ancient city of petra continues to captivate visi…
Petra's architecture and water management reflect the advanced skills of its ancient civilization.
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today people use fossil fuels along with alternative energy sources. th…
Less polluting: alternative energy fossil fuels: non - renewable energy source high carbon dioxide levels: fossil fuels alternative energy: renewable energy source costs less to a…
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multiple choice question according to the virginia plan, who or what wo…
Congress
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a new small business wants to know if its current radio advertising is …
< O < >
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seeing similar structures during development would be evidence for evol…
True
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identifying elements found in living things which elements are found in…
carbon, hydrogen, phosphorus, oxygen, nitrogen, sulfur
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molecular homology is based on similarities in which structures? dna an…
DNA and protein
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which sentences correctly use parentheses? select two options. we went …
We went to the state fair (held in the state capital) for the first time this year. For my birthday, my parents got me tickets to Hamilton (my favorite musical!).
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a hollywood studio believes that a movie that is considered a drama wil…
>
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multiple - choice question if green grasshoppers are more fit than oran…
The number of green grasshoppers increases over many generations with respect to the number of orange spotted grasshoppers.
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multiple - choice question what are different traits within a populatio…
Different variations of specific genes within a population
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the diagram below shows the seasons that our planet earth undergoes for…
Moving counter - clockwise from the Autumnal Equinox: Winter Solstice, Vernal Equinox, Summer Solstice.
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how is biological evolution different than common usage for the term ev…
Biological evolution refers to the change in a population's inherited traits over generations.
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meteorologists are scientists who study... the chemical properties of l…
C. the weather
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(1) yo - yo ma who was born in paris is a chinese american cellist. (2)…
The revision "Yo - Yo Ma, who was born in Paris," would correct the error in the use of the nonrestrictive clause by properly setting off the non - restrictive clause with commas.
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which bacteria caused the bubonic plague? e. coli yersinia pestis salmo…
B. Yersinia pestis
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insurance company a claims that its customers pay less for car insuranc…
$H_0:\mu_1=\mu_2$ $H_a:\mu_1<\mu_2$
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what objective lens should we always start with? 4x 10x 40x rewatch sub…
4x
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multiple - choice question what focus knob do you use first to find you…
B. Course Focus
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humans often think they are better than other species because we have b…
We are adapted to, and surviving in our environment
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which theory about the origins of government holds that government was …
B. force theory
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if the eyepiece magnification is 10x and the objective lens you are usi…
D. 400x
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what is biofuel?
Biofuel is a fuel derived from biomass (organic matter) and can serve as an alternative to fossil - fuels, being renewable and often more sustainable. Examples include ethanol and…
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true or false? humans are still evolving. true false rewatch
True
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a compound microscope gets its name because there are three sets of len…
C. Two sets of lenses
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which microscope would you use to see the internal structures of an org…
B. Transmission Electron Microscope (TEM)
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multiple - choice question what would you say to someone who questions …
Both "Because not all apes became humans." and "Because apes and humans share a common ancestor that was neither modern ape nor modern human." are correct.
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select the correct answer. when an antigen attacks the body, it activat…
A. the ability to remember the antigen it encounters
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4. part b: which detail from the text supports the answer to part a? a.…
B. "e - mails, the Internet, and cell phones." (Paragraph 20)
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organ where lymphocytes are synthesized, developed, and matured; organ …
- red bone marrow $ ightarrow$ organ where lymphocytes are synthesized, developed, and matured - thymus $ ightarrow$ organ where a special lymphocyte that aids the immune system i…
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question 13 (6.67 points) naturalis historiae (natural history) was wri…
True ### Question 14
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when there is a cut in the skin and bacteria enter the body, the immune…
B. the phagocytotic barrier, which is a part of innate immunity
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select the correct answer. which type of tissue performs the role of si…
D. nervous tissue
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titled \the importance of exercise\ that has information about how much…
D. Playing fetch and taking daily walks are excellent ways to help a puppy release energy.
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titled \the importance of exercise\ that has information about how much…
The sentence that should be included is: Playing fetch and taking daily walks are excellent ways to help a puppy release energy.
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select the correct answer from each drop-down menu. compared to its sur…
First drop - down: hypotonic Second drop - down: active transport (assuming the second drop - down has options related to transport types like active transport, passive transport …
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question 4 (6.67 points) maize (corn) began to be domesticated about 90…
True ### Question 5
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what helps cells to maintain homeostasis? a. connective tissue b. hormo…
B. Hormones
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la declaración de independencia cuando en el curso de los acontecimient…
- Identifican a personas que apoyaron la rebelión - Identifican a quienes se pusieron del lado de los británicos
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select the correct answer. which sentence supports the statement that c…
A. Human liver cells make proteins that promote homeostasis that neurons do not.
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match each essay topic to the correct informational text structure. (2 …
- "to examine similarities between two types of building materials" → compare and contrast - "to present the conflicts created by building a new superhighway" → problem and soluti…
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declaración de independencia cuando en el curso de los acontecimientos …
A. Atrae a los lectores al argumento y establece que las ideas se aplican a la sociedad (Nota: Si la tercera opción (no mostrada completamente) se refiriera a "justificar la separ…
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declaración de independencia cuando en el curso de los acontecimientos …
- El rey ha impuesto impuestos sin el consentimiento de los colonos. - El rey se ha negado a aprobar leyes que ayuden a los colonos.
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select the correct answer from each drop-down menu. neurons and muscle …
movement
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select the correct answer from each drop-down menu. neurons and muscle …
First drop - down: genetic makeup (For the second part about muscle cell function, a common function is muscle contraction (to enable movement, maintain posture, etc.). But since …
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question 22 which two statements best identify the central ideas of the…
A. Auditory and visual distractions reduce a person’s ability to concentrate on a task. D. Students should limit external distractions in order to benefit the most from their stud…
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an amoeba is a single-celled organism that feeds on algae, plant cells,…
B. endocytosis
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question 21 which two statements best identify the author’s primary pur…
C. to determine how much pumas need to hunt to survive, D. to better understand humans’ impact on a top predator
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hemoglobin is a protein that binds to oxygen. it is only produced by re…
D. The proteins produced by cells have structures that are related to their function.
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question 20 according to the article, what are two ways in which the pr…
B. Pumas eat fewer deer in areas where humans are present. E. Pumas leave their kill when humans are present and return at night to eat. (Note: The correct answers would depend on…
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select the correct answer. which sentence supports the statement that c…
A. Human liver cells make proteins that promote homeostasis that neurons do not.
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which quotation from the article provides an example of the cascading e…
C. "Pumas that are afraid of humans but still hunt in residential areas alter their relationship with deer, their primary prey. Greater preying on deer could possibly provide more…
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which observation best characterizes a study on pumas interactions or b…
D. They tracked pumas' nighttime movements and compared them with their daytime movements using GPS collars.
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for example, when plastic enters the ocean, sea birds may get tangled i…
B. seabirds
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part a: which statement best identifies the central idea of the article…
B. Human expansion and disturbance of wild lands has altered pumas’ hunting habits, affecting their ecosystem.
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what is a difference between prokaryotic and eukaryotic cells? a. proka…
C. Prokaryotic cells do not have a nucleus, but eukaryotic cells do.
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viruses do not possess all the characteristics of life. identify those …
| Characteristics of Life Present in Viruses | Characteristics of Life Absent in Viruses | |--------------------------------------------|------------------------------------------…
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select the correct answer. why is the nucleus considered the command ce…
A. It contains the genetic instructions for every function of the cell.
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the plasma membrane is composed of a phospholipid bilayer with embedded…
B. allowing specific substances to flow into the cell
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question 10 (2 points) _____ are a large class of biological, detergent…
d) phospholipids
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question 5 2 pts the ______ period brought about awareness of new cultu…
A. Crusades
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multiple choice question what does the top-down population control mode…
C. Predators control prey populations. (Here we assume the options are labeled A, B, C, D with A being "Food quality controls predator population size", B being "Organisms select …
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multiple select question select all that apply which of these interacti…
A. Herbivory, B. Predation, D. Parasitism
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select all that apply which of the following are examples of strategies…
B. Camouflage and mimicry, C. Chemical defense, D. Armor and weaponry
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the additional $600 that the government added to weekly unemployment be…
Drag the statement "The additional $600 that the government added to weekly unemployment benefits" to the "Incentives" box.
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multiple choice question unlike top-down control, bottom-up control ___…
B. is influenced by abiotic factors
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multiple choice question what is the term for the resemblance of a spec…
B. Mimicry
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multiple choice question one difference between predators and parasites…
B. usually do not cause the immediate death of their prey (assuming the second option is labeled as B, if the original question had labels like A, B, C, D with the second option b…
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fill in the blank question an adaptation that allows animals to blend i…
camouflage
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fill in the blank question nonlethal consumption of plants describes □ …
First blank: herbivory; Second blank: predation
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heart rate, digestion, breathing, and perspiration are all controlled b…
B. the autonomic nervous system
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the nerves that make up the spinal cord carry commands between the ____…
A. peripheral nerves
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the nerves of the somatic nervous system connects to which two parts of…
D. skeletal muscles and sensory receptors
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which system consists of nerves that initiate communication? a. the cen…
D. the peripheral nervous system
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what are the two divisions of the autonomic nervous system? a. sympathe…
C. sympathetic and parasympathetic nervous systems