A) Biologists suggested that 2-3 cups of coffee can decrease death rates among women - Hypothesis
B) Leslie set up mist nets to catch bats flying over a small stream. Each bat that was caught was weighed and sexed - Experimental design
C) Bethany watched butterflies feeding in a large field of wild flowers. She noticed that more butterflies approached the yellow and purple flowers than the red flowers - Observation
D) A researcher reported that red-foot tortoises preferred red colored fruits and vegetables to those that were green or white colored - Conclusion
E) All organisms are comprised of cells - Data
G) A) and C)
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A) Amphibian populations are facing problems due to agricultural chemicals.
B) Toxins are causing diseases and deformities within many amphibian populations.
C) Toads collected from suburbs had fewer deformities compared to toads collected from agricultural areas.
D) Agricultural chemicals cause deformities and feminization amongst cane toads.
E) More male toads from the large-scale agricultural areas showed signs of feminization.
G) B) and C)
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D
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A) adaptations.
B) cell respiration.
C) photosynthesis.
D) metabolism.
E) homeostasis.
G) D) and E)
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A) the development and consequences of biological technology.
B) studying the ethics of stem cell research.
C) determining if experimental results are valid.
D) studying the validity of scientific laws.
E) studying the effects of human actions on extinction rates.
G) C) and E)
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B) False
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A) Theories are accepted explanations for how the world works.
B) Theories are possible explanations for natural events.
C) The theory of evolution is considered the unifying concept in biology.
D) Theories can help scientists generate new testable hypotheses.
E) Theories are supported by many observations and experiments.
G) C) and D)
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B
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A) observation, hypothesis, experiment, conclusion, scientific theory
B) hypothesis, observation, experiment, conclusion, scientific theory
C) conclusion, hypothesis, observation, experiment, scientific theory
D) observation, experiment, hypothesis, conclusion, scientific theory
E) scientific theory, conclusion, hypothesis, experiment, observation
G) A) and B)
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A) maintaining homeostasis
B) metabolism
C) response to the environment
D) energy regulation
E) organization
G) B) and D)
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A) True, because prokaryotes are the simplest cell form.
B) True, because all eukaryotes are multicellular.
C) False, because some eukaryotes, including protista, are single-celled.
D) False, because some prokaryotes are multicellular.
E) False, because all single celled organisms are prokaryotes.
G) A) and D)
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A) maintain the correct temperature, moisture level and acidity as well as other factors.
B) rely on the external conditions in the environment.
C) are at the mercy of change that occur as each reaction progresses in the cell.
D) rely on external factors that control their internal conditions.
E) sidestep the conditions by manipulating the external environment.
G) A) and C)
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A) community
B) population
C) ecosystem
D) species
E) cells
G) None of the above
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A) True because they both start with Equus.
B) True because they are both related to horses.
C) False because the specific epithet is different.
D) False because they have no similarities to each other.
E) True because they have the same genus.
G) B) and C)
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A) cells.
B) tissues.
C) organs.
D) molecules.
E) heart.
G) B) and C)
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A) are perfect.
B) function well in a given environment.
C) can only survive in that one environment.
D) have a single adaptive trait.
E) become extinct.
G) C) and D)
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A) organisms with those traits appear more often in the population.
B) the environment changes fast enough to prevent overpopulation.
C) the traits mutate into other traits.
D) organisms with different traits appear more often.
E) organisms with those traits appear less often in the population.
G) A) and C)
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A) pregnant bats
B) female bats that were not pregnant
C) male bats
D) juvenile male bats
E) juvenile female bats
G) None of the above
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A) 1
B) 2
C) 3
D) 4
E) 5
G) C) and D)
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A) Extinction of different species can impact humans.
B) All extinctions are caused by human activities such as habitat destruction.
C) As many as 400 species per day may be lost due to human activities.
D) Introduction of nonnative species to an area can increase the rate of extinction.
E) Extinction is the death of a species or a larger taxonomic group.
G) B) and D)
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A) 0
B) 1
C) 2
D) 3
E) 4
G) None of the above
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A) a herd of wildebeest - population
B) a spider - organism
C) a mosquito feeding on a human host - community
D) a rock garden with various plants and rocks of different sizes - ecosystem
E) a tropical rainforest - community
G) C) and D)
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E
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