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Questions (1,147)
If you were analyzing a microscopic model of a freshwater ecosystem, what is one autotroph you might encounter?(1 point)
Response
1 answer
86 views
How will a microscopic model of an ecosystem differ from a large-scale system?(1 point)
Responses a. Ecological hierarchy levels
1 answer
101 views
When analyzing a microscopic model of a freshwater ecosystem, what is one heterotroph you are likely to encounter?(1 point)
Respo
1 answer
82 views
Use the scenario to answer the question.
For a class assignment, you need to study a microscopic model of a freshwater biome.
1 answer
127 views
Which modern classification was added after the original Linnaean system because certain microorganisms could not be seen with
1 answer
54 views
How is a phylogenetic tree similar to a dichotomous key?(1 point)
Responses a. Both convey common ancestry from an originating
1 answer
51 views
What is the broadest category of classification in taxonomy?(1 point)
Responses a. domain b. order c. species d. kingdom
1 answer
64 views
Which statement is true about dichotomous keys?(1 point)
Responses a. Dichotomous keys can only be used to classify organisms
1 answer
61 views
Which structural data is normally used to classify mosses into the category Bryophyta?(1 point)
Responses a. They produce seeds.
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47 views
In a table like the one that follows, create a compelling question related to World Wars, determine 2-3 helpful resources to
1 answer
84 views
Fungi in Linnaeus’s Three Kingdom classification system(1 point)
Responses a. could not be classified. b. were classified under
1 answer
125 views
Which statement is true regarding the taxonomic system?(1 point)
Responses a. All of the current, living species in the world
1 answer
56 views
Imagine you are a systematist who has discovered an unfamiliar animal. Which of the following observations about the animal will
1 answer
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Canis familiaris (dogs) and Canis lupus (wolves) are a different(1 point)
Responses a. genus. b. phylum. c. order. d. species.
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67 views
Based on scientific evidence, what is the most likely way that elements formed amino acids when life was created?(1 point)
Respon
1 answer
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Which statement best describes the international order after WWII?(1 point)
Responses a. It was defined by competition between
1 answer
36 views
Which of the following lists identifies new nations created after WWII?(1 point)
Responses a. France, the United States, and the
1 answer
61 views
What was the outcome of the Tehran Conference?(1 point)
Responses a. The Allies decided to invade Nazi-occupied France to open a
1 answer
62 views
Which statement best analyzes the foreign policy of Clemente Attlee compared to that of Winston Churchill?(1 point)
Responses a.
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Which statement correctly compares the international community’s reaction to the Holocaust with reactions to later
1 answer
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why does kirby say poyo?
3 answers
40 views
Which statement best explains why the Holocaust was the most extreme instance of anti-Semitism?(1 point)
Responses a. The
1 answer
129 views
Which sentence best identifies why Hitler wrote Mein Kampf?(1 point)
Responses a. He wanted to use proceeds from the book to fix
1 answer
77 views
Which statement best describes the role of scientific racism in Nazi persecution?(1 point)
Responses a. Scientific racism was
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113 views
Which policy was supported by the Nuremberg Laws?(1 point)
Responses a. The Nuremberg Laws created ghettos for Jewish people. b.
1 answer
141 views
Which Nazi-era policy identified the need for greater living space for Germans in Europe as a goal of Aryan superiority?(1
1 answer
109 views
In a Works Cited page, how are sources organized?
(1 point) Responses a. in alphabetical order b. in order of appearance in the
1 answer
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You finished writing a research paper on the way modern technology affects communication within families. Now you need to
1 answer
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In a citation within a Works Cited page, which of the following should NOT be in italics?
(1 point) Responses a. the title of a
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what method do you prefer when solving systems of equations and why?
1 answer
36 views
what is the best method to use when solving systems of equations
1 answer
39 views
Which of the following sentences is CORRECTLY punctuated and formatted?
(1 point) Responses Leesha said, “I like the book
1 answer
59 views
Which of the following phrases is CORRECTLY punctuated and formatted?
(1 point) Responses a. the chapter title The Art of Georgia
1 answer
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Which of the following should be put in italics to correct the following sentence?
Other famous vehicles that suffered a tragic
1 answer
75 views
Describe why Stalin wanted to get to Berlin ahead of the other Allies.(1 point)
Responses a. He wanted to capture German
1 answer
68 views
Which statement best describes how aircraft technology evolved by World War II?(1 point)
Responses a. Jet propulsion made takeoff
1 answer
305 views
What was the main goal of the U.S. in detonating the atomic bomb on Japan?(1 point)
Responses a. to force Japan to surrender and
1 answer
111 views
The attack on Pearl Harbor caused which country to join the Allied powers?(1 point)
Responses a. the United Kingdom b. Japan c.
1 answer
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Which of the following identifies the members of the Axis powers alliance during World War II?(1 point)
Responses a. Germany,
1 answer
101 views
Analyze why peasants resisted collectivization.(1 point)
Responses They wanted to keep control of their land and did not want to
1 answer
99 views
Who were the Blackshirts?(1 point)
Responses a. a Fascist Italian paramilitary group b. a group who fought against the
1 answer
104 views
Which statement best analyzes the role of the press in a Fascist government, based on Mussolini’s Italy and Franco’s
1 answer
139 views
What did the “leadership principle” mean?(1 point)
Responses a. Leaders should consult with those they led on a regular
1 answer
83 views
What would an observer examining the development of self-determination in Eastern Europe between the World Wars conclude?(1
1 answer
106 views
Which statement best describes historians’ critique of Great Britain’s policy of appeasement?(1 point)
Responses a.
1 answer
62 views
Compare the situations leading up to the invasions of China and Poland.(1 point)
Responses a. Japan and Germany were at war with
1 answer
164 views
Which of the following is a characteristic of a totalitarian state?(1 point)
Responses a. the use of a president as the state’s
1 answer
54 views
Describe what caused Germany’s economy to suffer after World War I.(1 point)
Responses a. the rise of the Nazi Party b. the
1 answer
69 views
Why did Nazi Germany sign a nonaggression pact with the Soviet Union?(1 point)
Responses a. to further spread socialist ideas b.
1 answer
75 views
Enzymes catalyze chemical reactions that keep cells alive. Imagine that a cell had no enzymes. How would having no enzymes
1 answer
133 views
Which of the following statements is true? (SC.912.L.18.12)
* 1 point a. Water molecules gain energy during evaporation. b. Water
1 answer
106 views
Genetic engineering involves both ethical and scientific issues. Which of the following is not an ethical factor in pursuing
1 answer
162 views
A trait for flower color shows incomplete dominance, where heterozygous individuals have pink flowers. If a homozygous dominant
1 answer
100 views
A group of well-separated islands in the Pacific Ocean has a population of hibiscus plants that produce either orange or white
1 answer
81 views
A student places a bunch of grapes in a bowl of plain water and a second bunch of grapes in a bowl of salt water. After an hour,
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157 views
Water is often called the “universal solvent” because it can dissolve many different kinds of substances. What kinds of
1 answer
168 views
In the carbon cycle, cellular respiration is the process responsible for the conversion of carbon-containing sugars into carbon
1 answer
69 views
Which of the following pairings shows a substance released during cellular respiration and the cellular structure that is
1 answer
137 views
Photosynthesis allows plants to produce most of the organic molecules they need. What is the primary source of energy for
1 answer
89 views
What are the subunits that make up complex carbohydrates? (SC.912.L.18.1)
* 1 point a. amino acids b. fatty acids c.
1 answer
123 views
In 1985, a researcher in Antarctica noticed that ozone levels in the atmosphere seemed to be as much as 35 percent lower than
1 answer
123 views
There is a general pattern in how environmental workers and activists overcome environmental problems. Which lists five steps of
1 answer
156 views
A renewable resource is a natural resource that can be replaced at the same rate at which the resource is used. Which of the
1 answer
119 views
Noxious weeds are weeds that invade ecosystems and grow very quickly and aggressively. In Colorado, more than 1 million acres
1 answer
89 views
The United States experienced a rapid growth of its population of in the early 1900s. Which of the following factors did not
1 answer
154 views
Tropical rain forests receive as much as 450 cm of rain per year. They are the richest biome in terms of number of species.
1 answer
163 views
Rivers and the aquatic life that live within them can change over time due to human activity and natural forces. Which of these
1 answer
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Cells and the organisms they make up reproduce through cell division. Some organisms reproduce through mitosis, while others
1 answer
92 views
A consumer asked a genetic scientist whether genes from a genetically modified food plant could possibly cause harm by
1 answer
160 views
According to the primordial soup model, the first organic molecules could have formed from simpler inorganic substances in
1 answer
95 views
Scientists used to group fungi with plants. Which of the following is a major factor that determines why fungi are not
1 answer
141 views
Today, biologists classify sponges as animals rather than plants. What evidence supports today’s classification?
1 answer
116 views
A species of toad living in an area is similar in form to toad fossils found in very old rock. Which hypothesis does this
1 answer
109 views
In the past, smallpox, which is caused by a virus, was a common and deadly disease. Now, people no longer get smallpox. Which
1 answer
111 views
The picture below models a blood vessel carrying different components of blood. If human blood did not contain component C,
1 answer
193 views
Various types of cacti, such as those shown in the picture below, thrive in Arizona’s deserts even though there is little
1 answer
165 views
AIDS is a fatal disease caused by HIV, a virus that attacks and destroys the human immune system. Which of the following
1 answer
119 views
Advancements in which of the following pieces of technology allowed scientists to make new discoveries about materials on an
1 answer
152 views
Which could be found in a prokaryote? (SC.912.L.14.3)
* 1 point a. endoplasmic reticulum b. flagellum c. mitochondrion d. nucleus
1 answer
94 views
Sodium-potassium pumps, endocytosis, and exocytosis all involve active transport. Which of the following is a characteristic of
1 answer
133 views
The careful observations of many scientists have resulted in the development of the cell theory. Which of the following is not
1 answer
133 views
A newspaper headline says, “Detective Has Theory on How Computers Were Stolen from Warehouse.” Which of the following words
1 answer
130 views
A theory is a set of related hypotheses that have been tested and confirmed many times by many scientists. Which of the
1 answer
120 views
Every year, monarch butterflies travel thousands of miles from their summer homes in northern states and Canada to wintering
1 answer
106 views
Darwin’s theory of evolution was criticized fiercely during his time. Modern scientists now accept the theory while they still
1 answer
127 views
A botanist has recently developed an enzyme called NoGro. This enzyme acts as an herbicide by preventing cell growth in the
1 answer
107 views
It may seem obvious to people living in the modern world that disease is caused by germs or pathogens, but germ theory took
1 answer
106 views
A scientist wants to investigate male-guppy behavior in the presence of female guppies. She puts two long tailed guppies in the
1 answer
96 views
create a multimedia essay
presentation should have a clear main idea Does the presentation have a clear main idea? o Is
1 answer
84 views
Which cannot describe a system of linear equations?
(1 point) Responses no solution exactly two solutions infinite solutions
1 answer
39 views
Which best describes a system of equations that has no solution?
(1 point) Responses a. consistent, independent b. inconsistent,
1 answer
162 views
In 1-2 sentences, explain why there are so many less individual organisms at the level labeled "5" than there are at the level
1 answer
68 views
Examine the photo below of a very basic food web. In 2-3 sentences, describe what would happen to this ecosystem if the
1 answer
70 views
Chemosynthesis relies on chemical energy in the environment. The fact that no large organisms are known to undergo
1 answer
80 views
Chemosynthesis relies on which energy source?(1 point)
Responses a. light b. nuclear c. thermal d. chemical
1 answer
82 views
Do both animal and plant cells have mitochondria? Why or why not?(1 point)
Responses a. Yes; they both need mitochondria to
1 answer
74 views
What can be used to measure primary productivity in an ecosystem?(1 point)
Responses a. oxygen consumption b. carbon dioxide
1 answer
95 views
Which of the following is the best evidence that supports the rule that only 10% of energy is transferred from one organism to
1 answer
91 views
The ultimate or starting source of energy for most organisms on Earth is(1 point)
Responses a. carbon dioxide. b. oxygen. c. the
1 answer
82 views
As energy is passed through the food chain, some of the energy is lost as heat. What is the approximate amount of energy that is
1 answer
57 views
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