生物
细胞生物学、遗传学、生态学与生命科学基础。
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why do species evolve during adaptive radiation? ○ to fill different ni…
A. to fill different niches
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horses and donkeys can mate, but they produce a mule, which is always a…
reproductively
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which of the following could result in speciation from biogeographic is…
A. the isolation of two populations of the same species
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multiple-choice question tornadoes and hurricanes are or are not affect…
Are
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two insect groups vary genetically by two genes. when put together, the…
D. The insects are the same species.
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which type of selection occurs when a population experiences a shift in…
B. directional selection
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cognitive psychology focuses on studying ______. - thoughts, decisions,…
thoughts, decisions, and their relationship to our experiences and our actions
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which of the following is the definition for speciation? ○ an inherited…
B. the evolutionary process through which new species emerge
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what is this an example of? ○ adaptation ○ biodiversity ○ isolation ○ v…
A. adaptation
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stick insects, also called walking sticks, are typically found in tropi…
This is an example of camouflage (or cryptic coloration), a biological adaptation where an organism blends with its environment to avoid detection, studied in the subfield of Biol…
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question 27 who started the feminist revolution in psychology? ○ naomi …
Karen Horney
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which is the best definition of directional selection? ○ a process by w…
B. a process by which one of the extreme variations of a trait is favored (assuming the second option is labeled B; if the original options had labels like A, B, C, D, adjust the …
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a population of chimpanzees was separated when the forest that they liv…
B. speciation
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question 15 of 20 what was the most important institution in african am…
D. Churches
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which organisms are most likely to survive in a population in which dis…
B. organisms that have extreme traits
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a scientist wrote a paper titled \directional selection in action\ afte…
Her title is accurate because one extreme is favored.
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which of the following can result in a population looking more similar …
B. stabilizing selection
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a scientist has been tracking and studying a population of deer in yell…
B. A population of wolves was introduced into Yellowstone National Park.
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a population of snakes that eat small rodents enters a new habitat. in …
A. Genetic variation will increase because of a selective pressure.
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a population of birds lives on a small island. another population of th…
B. an increase in gene flow between the bird populations
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a group of students is walking in the park, and one of them takes a pic…
B. gene flow at work
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which example reflects a symptom of an anxiety disorder? richard is hav…
B. Dana is anxious about flying, and she refuses to fly to another state to finalize a deal with a client for the company that employs her. She could lose her job if she doesn't f…
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which of the following commonly observed characteristics of human or an…
the withdrawal response on touching a hot object
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which environmental factor would likely lead to an increase in genetic …
B. an increase in available food
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which of the following is least likely to change the gene pool of a pop…
C. A number of chipmunks die due to old age.
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a high population of greater prairie chickens once inhabited the prairi…
genetic drift (the option "genetic drift")
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genetic drift in a population affects the gene pool in which of the fol…
A. decrease in genetic variation
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in wisconsin, a very large population of lake trout, in which individua…
The gene pool of the population will remain relatively constant.
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a new pesticide has been introduced to the habitat of this population o…
A. decreased genetic variation
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6. why are peas a good model system for studying heredity? 7. how did m…
6. Peas have easily observable traits, reproduce quickly, and can be self - pollinated or cross - pollinated. 7. Mendel removed the male parts (anthers) from one flower and transf…
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read the text. within each human cell are membrane - bound parts called…
Golgi apparatus
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lesson objectives describe mendel’s studies and conclusions about inher…
1. C. Factors that determine traits 2. B. The offspring of true - breeding parents with different traits 3. A. Specific characteristics that vary among individuals 4. E. The diffe…
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6. base your answer to the question on the diagram and information belo…
have chloroplasts and use light energy to make more food
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7. a student placed a test tube containing elodea (an aquatic plant) an…
oxygen as a product of the process of photosynthesis
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8. base your answer to this question on the information below and on yo…
synthesizes glucose by using carbon dioxide and water
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bioengineered foods and food ingredients (including food additives) mus…
According to Maryanski, “these products must be as safe as the traditional foods in the market” (“Genetically Engineered Foods”).
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nepal is a federal democracy with a rugged and mountainous landscape wh…
B. Support your regional governments in building their own infrastructure and responding to natural disasters.
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read the text. leaves can be classified as either simple or compound, d…
palmately compound leaf
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read the text. there are different patterns of evolution. in a process …
coevolution
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many of the foods that are already common in our diet are obtained from…
Many common diet foods use conventional genetic techniques (e.g., hybrid corn, nectarines, tangelos). Bioengineered foods/ingredients meet same safety standards as conventional on…
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when two different species live in close relationship with one another,…
parasitism
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researchers can genetically select lettuce crops to cultivate for pest …
B. What is the effect of crop selection for pest resistance on the toughness of lettuce leaves?
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read the text. the endocrine system is made up of several glands that p…
thyroid gland
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the estimated arms effect indicates a 17-percent increase in yields for…
- For the paraphrasing question: B. One study found a 17% increase in cotton yields using a genetically modified variety. - For the citation question: (Price et al. 15)
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compare and contrast genetic engineering to the process of natural sele…
- The first statement (By selecting the genetic information that is passed on to future generations, genetic engineering is similar to natural selection.) - The third statement (B…
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read the text. when you look at bacteria cells under a microscope, you …
bacilli
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generation 1 generation 5 generation 10 ■beak x ■beak y ■beak z the gra…
A. Yes, the alleles for Beak X could remain in the population as a recessive gene.
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animals may use one of several strategies to camouflage themselves as t…
disruptive coloration
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question 3 of 14 which example best demonstrates irony? a. a liquid tha…
D. A champion Olympic swimmer who is afraid of water
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an organism has two different possible traits, a and b. a graph of the …
For the first part (checking statements): The true statement is "It decreased in frequency over time". For the environment change: The change likely "favored Trait A over Trait B"…
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read the text. mollusks form an incredibly diverse phylum of animals. s…
cephalopod
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read the text. humans, like members of many other mammalian species, ar…
ruminant
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read the text. molecules tend to move from areas of high concentration …
The term that matches the picture is diffusion.
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read the text. flowering plants are commonly divided into two groups: m…
monocot
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read the text. organisms that can make their own energy from nonliving …
heterotroph
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read the text. you may think of the human skeleton as one big collectio…
axial skeleton
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read the text. a populations growth is affected by factors in the envir…
exponential growth
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what can mrna do that dna cannot? enter the nucleus copy itself leave t…
leave the nucleus (the option "leave the nucleus")
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the estimated arms effect indicates a 17-percent increase in yields for…
Benefit: 17 - percent increase in yields. Drawback: It may have caused problems with the plants.
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what is the function of rna polymerase in the process of transcription?…
It adds base pairs to the new mRNA transcript.
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f(x) = 2x + 1 x | f(x) 0 | 1 | 4 | click to select points on the graph.…
For \( x = 0 \), \( f(x)=1 \); for \( x = 1 \), \( f(x)=3 \); for \( x = 4 \), \( f(x)=9 \) (So the table cells should be filled with 1, 3, 9 respectively).
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which of the following is a main stage of transcription? division stopp…
elongation
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which of the three types of rna is involved directly with the process o…
messenger RNA (mRNA)
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uracil is similar in structure to thymine but lacks a methyl group. in …
2 (the option with "2")
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the movement of the progress bar may be uneven because questions can be…
"According to a Pew Research Center study..."
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the estimated arms effect indicates a 17–percent increase in yields for…
increased resistance to drought and disease (Incorrect as per passage), increased yields in all areas of the nation (Incorrect as per passage), increased yields in some areas of t…
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which of these indicates a strand of rna? the letter t indicating thymi…
The letter U indicating uracil
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which of these indicates a strand of dna? the letter u indicating uraci…
The letter T indicating thymine
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read the text. most animals need to maintain a body temperature within …
endotherms
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most scientific organizations say that genetically modified foods are s…
a lack of long - term testing, a possibility of new toxins, a possibility of new diseases, a possibility of new food allergies, a lack of regulation
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when food is genetically modified, its genes are changed by scientists …
More resistant to disease and pests, last longer on store shelves, have higher nutritional value per serving.
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when food is genetically modified, its genes are changed by scientists …
the act of changing genes to create new organisms
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what solution is proposed for the issue of food shortages and contamina…
genetically engineered foods
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use the drop-down menus to analyze the writing prompt. format: complete…
to argue a position
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the movement of the progress bar may be uneven because questions can be…
Funding for schools should move from a closed system to an open system to encourage innovation in school settings.
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use the drop-down menus to analyze the writing prompt. format: ✔ an ess…
general audience
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use the drop-down menus to analyze the writing prompt format: an essay …
genetically modified foods
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use the drop-down menus to analyze the writing prompt. format: done res…
an essay
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what is true about mrna during transcription? dna sequence is copied in…
A. DNA sequence is copied into mRNA molecules.
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elizabeth cady stanton is most noted for forming the women’s christian …
C. helping draft the Seneca Falls Declaration of Sentiments.
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what does a large number of possible combinations and sequences of amin…
protein variety
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transfer rna (trna) the image below depicts the three types of rna. mes…
B. mRNA, tRNA, rRNA (assuming the second option is labeled as B; if the options are in order as shown, the correct one is the second option with text "mRNA, tRNA, rRNA")
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transfer rna (trna) are crucial components in the protein - making proc…
A. Ribosomal RNA (rRNA)
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what does trna stand for? transfer rna team rna total rna thermo rna
A. transfer RNA
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which best describes mrna? mrna initiates cell division mrna makes a tr…
The option "mRNA makes a transcript of DNA" (the second option in the provided choices)
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which of the following did ukrainian immigrant clara lemlich accomplish…
D. better working conditions for female garment workers in New York City
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question 8 of 10 read this scenario: a gorilla kidnaps zoo workers and …
C. All living things deserve freedom.
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what is the role of dna helicase in dna replication? copying base pairs…
B. unwinding and separating DNA (assuming the middle option is labeled B; if the options are unlabeled, the middle option with "unwinding and separating DNA")
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interestingly, because dna polymerase can only add to the 3 end of the …
Okazaki fragments
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what is the result of dna replication? dna is stored in the cell membra…
B. DNA is copied to be passed on to new cells (assuming the options are labeled A, B, C with the second option as B; if the original options had different labels, adjust according…
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what is the role of telomerase in dna replication? it links together th…
The correct option is: It adds telomeres to the ends of the DNA strands to prevent the loss of genetic information.
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what role does base pairing play in dna replication? it promotes the se…
B. It acts as a fail - safe, ensuring the correct base pairs are matched during replication.
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the congress of racial equality was led by martin luther king jr. used …
used sit - ins in the 1940s to encourage integration.
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a leader of the montgomery bus boycott who also became the spokesperson…
Martin Luther King Jr.
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which leader joined the nation of islam while in jail and then brought …
Malcolm X
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what is the difference between a twig and a branch? a branch is more de…
a branch is bigger
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1. how does stargirl show kindness? by singing happy birthday 2. how do…
The subfield is Literature (under Arts).
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name ______ date ______ period ______ complete the following with the w…
- Environment: hypertonic - Cell: hypotonic - Cell will shrink ### Question 11
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what is the difference between a branch and a twig? a twig is more stur…
a twig is smaller
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i. designed by nature a. biomimicry in architecture 1. the spiral is a …
It includes concrete evidence and examples.