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Questions (357)

Read the passage about polar bears.Polar bears in the Arctic use the sea ice that covers the North Pole as a platform for
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On average, how much of the available energy from one trophic level is transferred to the next trophic level in a food chain?A.
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The graph shows the numbers of species on Caribbean islands of different sizes.Which statements are true about the islands on
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The diagram represents a pyramid of energy that includes both producers and consumers.The greatest amount of available energy is
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The chart shows how each mRNA codon corresponds to an amino acid.Which TWO DNA codons code for aspartic acid? A. CAG B. CTA C.
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A snapdragon with red flowers is crossed with a snapdragon with white flowers. Flower color in snapdragons exhibits incomplete
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What function do ribosomes have within a cell?A. Ribosomes produce ATP. B. Ribosomes synthesize proteins. C. Ribosomes contain
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Match the following tropism to its definition.phototropism thigmotropism hydrotropism geotropism
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A farmer decides to plant flowers on a piece of land that is often affected by disease. The farmer claims that flowers that
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The picture below shows an amur leopard, a critically endangered species.How can biotechnology positively affect the amur
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The color of the petals in a carnation is determined by an incomplete dominance pattern. The Punnett square is used to determine
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A student makes a mistake while creating a chart to compare DNA and RNA. Click on the part of the chart that is incorrect.dna
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A student makes a mistake while creating a chart to compare DNA and RNA. Click on the part of the chart that is incorrect.hotspo
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Dihybrid crosses can be conducted with two organisms that are heterozygous for two different traits: SsYy x SsYy for example.
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he diagram shows three types of mutations.Which correctly identifies each type of mutation in the diagram? A. Letter Type of
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A group of students conducts research on enzyme activity and collects the data shown in the graphs.There are two graphs. The
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Viruses reproduce through the use of host cells. In this process, viruses reproduce by injecting their DNA into the host cell
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For each of the following relations, explain why they are or are not a function using complete sentences. (2 points per section)
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Look at this table:x y –10 45 –9 41 –8 37 –7 33 –6 29 Write a linear function (y=mx+b) or an exponential function
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Look at this table:x y –3 5 –2 0 –1 –5 0 –10 1 –15 Write a linear function (y=mx+b) or an exponential function
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Look at this table:x y –5 –28 –4 –24 –3 –20 –2 –16 –1 –12 Write a linear function (y=mx+b) or an exponential
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Look at this table:x y 0 7 1 13 2 19 3 25 4 31 Write a linear function (y=mx+b) or an exponential function (y=a(b)x) that models
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ok at this table:x y – 10 7 – 9 6 – 8 5 – 7 4 – 6 3 Write a linear function (y=mx+b) or an exponential function
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ook at this table:x y – 7 1 – 6 0 – 5 – 1 – 4 – 2 – 3 – 3 Write a linear function (y=mx+b) or an exponential
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Which revision BEST combines the first two sentences of the paragraph to make a precise claim?A. Cellular phones have become a
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Which sentence provides a concluding statement that BEST supports the argument presented in the paragraph?A. Excessive cell
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A student is writing an argumentative article and wants to revise the draft. Read the paragraph from the student’s article and
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2. 117 views
Jacqui wrote an argumentative essay to her state government about a new law that she would like the legislature to consider.
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A student is writing a fantasy narrative about a new superhero of his own creation for his student magazine. The student wants
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2. 160 views
Student Report: Rough Draftby Damon Landry Part 1: Description 1 Praying mantises (also called mantids) range from less than one
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Which sentence would create the BEST transition between paragraphs 1 and 2?A. Camouflage is important for the mantis' survival.
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Student Report: Rough Draftby Damon Landry Part 1: Description 1 Praying mantises (also called mantids) range from less than one
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According to MLA standards, which is the correct way to write the title on the first page of a document?A. "Global Warming" B.
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Read the quote below from page 31 of The Winter of Our Discontent by John Steinbeck."I wonder how many people I've looked at all
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Mary has been assigned to write an analytical essay on a nonfiction article. If she follows MLA guidelines, what should the
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According to MLA standards, which of the following items should not be included in the heading?A. teacher/professor's name B.
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Kevin Foster is writing a research paper using the MLA format. What should he put in the upper right hand corner of the 4th
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Sofia was sitting by the window in her favorite old rocking chair, which she'd loved relaxing in since she was a child. Now, at
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Sofia was sitting by the window in her favorite old rocking chair, which she'd loved relaxing in since she was a child. Now, at
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2. 48 views
Read this sentence from the text."Time to move to higher ground," Daddy announced quietly as he pushed back from the table. "You
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Which sentence from the text BEST demonstrates that Sophie's father is proud of her commitment and courage?A. "Scoot along now,
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This question has two parts. First, answer part A. Then, answer part B.Part A: Which statement best describes the theme of
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Sophie's ChallengeWhen the rain started in again, the whole house filled up with quiet tension. As we gathered at the kitchen
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A student is writing a narrative for her creative writing class about a character who is trying her first-ever tennis lesson.
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A student is writing an article discussing the idea that the polar bear population is on the rise. Read the draft of the article
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A student is writing an informative essay about Jackie Robinson and the integration of Major League Baseball. Read the rough
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Which would be the BEST topic sentence for the following paragraph?I can hardly remember what I did before I got my own personal
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Which revision BEST changes the tone of this sentence from informal to formal?I'd like to get a job there because I like digging
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1) The old, dilapidated cabin slumbered under a blanket of dry, dead leaves. (2) The cabin windows were all dirty. (3) Large
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Read the sentence from paragraph 1.Check, check, and check. Jameel grinned as he climbed in the driver's seat of his mom's car.
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The following question has two parts. First, answer Part A. Then, answer Part B.Part A: How do Jameel's conversations with his
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Look at this table:x y 0 – 5 1 – 10 2 – 20 3 – 40 4 – 80 Write a linear function (y=mx+b) or an exponential function
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Look at this table:x y 1 – 2 2 – 4 3 – 8 4 – 16 5 – 32 Write a linear function (y=mx+b) or an exponential function
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Look at this table:x y – 4 6 – 3 2 – 2 – 2 – 1 – 6 0 – 10 Write a linear function (y=mx+b) or an exponential
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Look at this table:x y 1 8 2 16 3 32 4 64 5 128 Write a linear function (y=mx+b) or an exponential function (y=a(b)x) that
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ook at this table:x y 1 8 2 16 3 32 4 64 5 128 Write a linear function (y=mx+b) or an exponential function (y=a(b)x) that models
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look at this table:x -10 -9 -8 -7 -6 y 73 65 57 49 41 Write a linear function (y=mx+b) or an exponential function (y=a(b)x) that
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2. 30 views
Look at this table:x y – 10 73 – 9 65 – 8 57 – 7 49 – 6 41 Write a linear function (y=mx+b) or an exponential function
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ook at this table:x y – 6 53 – 5 43 – 4 33 – 3 23 – 2 13 Write a linear function (y=mx+b) or an exponential function
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Look at this table:x y – 5 35 – 4 29 – 3 23 – 2 17 – 1 11 Write a linear function (y=mx+b) or an exponential function
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2. 37 views
orLook at this table: x y 0 5 1 10 2 20 3 40 4 80 Write a linear function (y=mx+b) or an exponential function (y=a(b)x) that
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2. 31 views
the pedigree below tracks duchenne muscular dystophy (DMD) through several generations DMD is an X linked recessive traitif
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Which of the following examples would most likely exhibit primary succession?a field left fallow by a sugar beet farmer b new
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Which of the following cause eutrophication in a lake?a toxic chemicals b polluted sediments c excessive nutrients d heavy
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The graphic shows an energy pyramid.Which table correctly identifies the kilocalorie energy available to each organism in the
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Which of the following refers to a population reaching a size that can no longer be supported by available resources in the
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Scientists study a population of invasive insects in a forest ecosystem. They create a graph of the population data, shown.image
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Match the vocabulary words to the correct definitionColumn A 1. Ecology: Ecology 2. abiotic factors: abiotic factors 3. biome:
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The role of the pigment ________ is to absorb ________ to perform _______.a chlorophyll, chemical energy, fermentation b
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The illustration below represents the movement of materials involved in a process that is vital for the energy-production and
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what is the process by which plants release water vapor into the atmosphere through their leavez?a Runoff b Transpiration c
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Question 10a Runoff b Transpiration c Sublimation d Condensation
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What is the genotype for the individual II-3?a Ee b attached earlobes c EE d ee e unattached earlobes
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aheterozygous male b normal female c homozygous dominant d heterozygous female
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Water from nearby rivers or lakes is usually used to cool down the reactors in nuclear power plants. How would the release of
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he graph below shows the growth of a fruit fly population.Which statement best describes what is occurring with the fruit fly
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Which of the following is an example of a benefit of species diversity in an ecosystem?a After a forest fire, some species are
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Question 3A graph representing a population growth curve is shown below. What does B represent on this growth curve? a
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Question 2Mrs. Wright's bees play a central role in the health of terrestrial ecosystems because they are vital to the
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In 2018, the population of West Littleton was 5,100. The following year, the population was 4,998.Let t represent the number of
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Rewrite the function f(x)=0.04x 2 in the form f(x)=a(1+r)x. What are the values of a and r? Write your answers as whole numbers,
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2. 101 views
Marie posted a dance video online that received 25,000 views today. However, the popularity of her video has peaked; going
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Tim owns shares in a mutual fund. His investment was worth $4,200 when he first bought the shares. One year later, his shares
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Dan's grandmother started a college savings account for him when he was born. The account earns 2.5% interest compounded
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Scientists are studying a sample of radioactive material. The amount left, in grams, after t days can be modeled by the function
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To model the number of bacteria in a petri dish, a scientist uses the function N(t)=1,000(1.3)t, where t is the number of hours
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Iodine-131 is a radioactive substance that decays at a rate of 8.3% every day. If a sample contains x grams of iodine-131 after
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odine-131 is a radioactive substance that decays at a rate of 8.3% every day. If a sample contains x grams of iodine-131 after 2
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Rewrite the function f(x)=1 5 1 4 x 2 in the form f(x)=a(b)x. Write a and b as whole numbers, decimals, or simplified proper or
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A scientist observes a population of bacteria in a petri dish. The population grows exponentially, doubling every 2hours. After
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The equation L(t)=2,000(0.8)t represents the value of a laptop t years after purchase.Complete the sentence. The laptop cost $
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Jeremiah owns a modern art painting that is valued at $800. The value of the painting increases by 7% each year. Which equation
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A city had a population of 110,000 in 1920. The population grew at a rate of 1% per year thereafter.Which function could model
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Lily puts $200 into a savings account that pays 1.8% interest compounded annually. Write an equation that can be used to find t,
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Lola's savings, S, grow according to the equation S=500(1.01)t, where t is the number of years since she opened her savings
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A meteorologist uses the function P(x)=29.9(0.89)x to model the atmospheric pressure, in inches of mercury, at an altitude of x
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A meteorologist uses the function P(x)=29.9(0.89)x to model the atmospheric pressure, in inches of mercury, at an altitude of x
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A small grocery store buys its produce from a local farm that operates as a sole proprietorship. Which of the following might be
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A small grocery store buys its produce from a local farm that operates as a sole proprietorship. Which of the following might be
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Alejandro recently established a maintenance company as a sole proprietorship. He was hired to repair the air conditioner on a
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2. 63 views