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Which would result a farmer in producing more food at a lower cost? planting wheat that is resistant to weed killer breading pear trees that grow sweeter fruits growing rice that only grows in warm cl
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Which human practice can cause flooding? A) white water rafting B) tubing C) walling off rivers D) picnics E) dredging water beds
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Which statement describes littoral zones? A) It is where the land meets the water. B) It occurs in the transition zone between water and dry land. C) It has vegetation. D) It stabilizes the soil. E) A
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Determine the concentration of a salt solution where there is no change in mass. Please explain.
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Select all of the true statements about surface currents. A. They form gyres. B. They transport heat across Earth's surface. C. They are known as "thermohaline circulation." D. They are caused by wind
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During meiosis, errors can be made during chromosome replication. which term describes a mutation where a chromosome breaks, and its genetic material is reinsterted in a different orientation?
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How would these practices change the wolverine food web? Fire suppression, hunting mountain lions, building dams and livestock grazing
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What is the name for a fossil that is common to a particular period of geologic time and serves as an indicator for that time? A. coprolite B. microfossil C. index fossil D. stromatolite
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Fungi are both beneficial and destructive. This fungus is living in and on the tree seen here. This is a ____________ relationship and could cause the tree to ______________.
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The isotope samarium-151 decays into europium-151, with a half-life of around 96.6 years. A rock contains 5 grams of samarium-151 when it reaches its closure temperature, and it contains 0.625 grams w
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In what way are the humerus and the femur similar? a.They both attach their respective limbs to the axial skeleton. b.They both have similar joints at each end. c.They both are extremely strong and ma
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In 1928, the Scottish bacteriologist Alexander Fleming discovered penicillin when he notices that the mold Penicillium notatum inhibits the growth of bacteria. If Fleming's discovery had been made tod
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According to stratigraphy and its laws, what is the correct order—from oldest to youngest, of the following rock strata:
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The tendency for one extreme phenotype, such as large size or extreme coloration, to be favored over average phenotypes is called
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Lois has been notified that she must undergo surgery to remove a malignant growth from her uterus. She asks her doctor whether she will need adjuvant chemotherapy after her surgery. Her doctor tells h
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Which of the following bar charts describes a system that is in solution equilibrium? four bar charts A. Graph A B. Graph B C. Graph C D. Graph D Using the information below, what will happen to the c
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The scientific names of three wildflowers in the same family are: Calochortus simulans, Calochortus clavatus, and Fritillaria biflora. Which of these flowers would you expect to be the most similar?
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How are bacteria able to adapt to a rapidly changing environment? A) During transcription, RNA polymerase is unable to bind and commence transcription. B) Bacterial genes, in a rapidly changing enviro
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Mitosis is divided into phases. mc006-1.jpg Which phase of mitosis is shown in the diagram? anaphase metaphase telophase prophase
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Which statement is true? Select one: a. A desert can form anywhere if rainfall decreases. b. A desert forms when rainfall decreases in a dry climate. c. Decreased rainfall is a result of a desert, not
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A testcross on a tall pea plant produces only tall offspring. What is the genotype of the tall pea plant?
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Which of these is not an example of intracellular? A. A message is distributed across plasma membrane B. An electrical signal causes muscles to contract together C. A molecule stimulates a target cell
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Which of the fallowing provides support and protection for many insects mussels skeleton spinal cord exoskeleton
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Over a 200-year period, a volcano erupted once. According to this information, what is the yearly frequency of volcanic eruption? A. 99% B. 20% C. 0.5% D. 1%
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In mammals, the process of inspiration involves A. alveolar collapse. B. negative pressure generated in the chest, causing the lungs to expand to fill the vacuum. C. the ribs and diaphragm pulling on
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Why do you think there is a basic difference between the kinds of fertilization most common in aquatic and terrestrial animals?
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Some species form social groups only with members of the same gender. For example, elephants form groups with only females and their offspring. Once the male offspring reach a certain age, they leave
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Which sentence in the passage points out the similarity between parthenogenesis and sexual reproduction?
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HELP? due today :(! Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that A) the oceanic crust is melting. B) volcanic islands are forming. C) this is
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During ecological succession, how does the growth of young hardwoods affect the organisms living in an ecosystem? A.Grasses and low shrubs are unable to obtain the amount of light they need to survive
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Food webs such as the one shown were first used in 1927 by the animal ecologist Charles Elton. The food web below represents the feeding relationships among organisms in an Alaskan ecosystem. A.Auklet
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Gene expression in all organisms depends on protein synthesis. What is the last stage in protein synthesis, in which amino acids are assembled by tRNA?
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Identify the muscles of facial expression being contracted in each of these photographs (a-c), using the terms provided
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What variables other than beaker pressure could you change to return the glomerular filtration rate to "normal" (the value when beaker pressure is 80 mm hg)? choose the correct combination below?
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Examine the phylogenetic tree below. Which two organisms are most closely related?A) euryarchaeotes and diplomonads B) Euglena and brown algae C) brown algae and red algae D) brown algae and dinoflage
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Which statement best describes how modern taxonomists classify and organism?A) They examine the vestigial structures of the organism.B) They use DNA sequences to determine if the organisms makes prote
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Students conducted an analysis of baking soda in chemistry lab. During the activity, they had to calculate the mass in grams of the baking soda being used. Student data appears in the table. At the en
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Compare the change in thickness of the uterine lining with the change in progesterone levels for days 10-27
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Trey and Randall are conducting an experiment to test the effects of watering plants with deionized water compared to tap water. They take 20 plants of the same size and species, kept in the same area
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Questions are to be answered in full sentences. Answers should be approximately 125 words each or two to three paragraphs each.1. Begin with the information in DNA, a specific gene. Describe how
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The ________ is a membrane-bound organelle that contains an organism's genetic material and helps control and regulate cellular processes.
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Were you able to correctly identify all of the minerals on the first try? Which identification test did you enjoy most? Why? Which identification test did you think was least helpful for identificatio
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Questions Were you able to correctly identify all of the minerals on the first try? Which identification test did you enjoy most? Why? Which identification test did you think was least helpful for ide
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In what type of cell do genes contain exons which are interrupted by introns, that are spliced out after transcription.
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A patient is diagnosed with a hodgkin type of lymphoma based on the results of lab tests and a study of the tumor cells. a distinct characteristic of hodgkin lymphoma is the presence of
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An important function of the spleen is to destroy and remove worn out red blood cells. true or false
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A brief stressor activates the _____ nervous system. a prolonged stressor releases the hormone _____.
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How are endosperm formed (please give a detailed responce)? what is the polidy # of endosperm cells?
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Assume that a pet scan was made of the brain of a person speaking and of the brain of a person smelling a flower. describe how you would expect the pet scan of each person's brain to look.
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The newborn nursery nurse suspects a newborn of having neonatal abstinence syndrome. what assessment findings would most correlate with the diagnosis
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