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Question
Which one of the following is true about scientific knowledge?
A) Scientific knowledge is derived from careful thinking about the way things must work based on application of a few fundamental principles.
B) When based on many experiments, scientific knowledge is absolutely true.
C) Scientific knowledge is acquired though teachings passed on by great scientists.
D) Scientific knowledge is not absolute, because the possibility is always held open that new experiments may one day prove it wrong.
E) Scientific knowledge is derived from the strongest arguments made by the brightest scientists.
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Which of the following best describes the period during which the developing offspring is considered a fetus?
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B) from fertilization to eight weeks
C) the first trimester only
D) the third trimester only
E) from nine weeks until birth
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Which of the following statements concerning sperm and fertilization is correct?
A) The first sperm that approaches the egg is the one to fertilize the egg.
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C) The first capacitated sperm fertilizes the egg.
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A man has been experiencing reduced urine flow problems. After examination by his doctor, the diagnosis is an enlarged prostate gland. What is the connection between prostate enlargement and reduced urine flow?
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B) 28 days.
C) 6 months.
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The sequence of development of sperm is:
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The vas deferens ducts empty sperm into the:
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Which structure would be best described as helping to prepare the female tract for pregnancy and maintain it during the early phases of pregnancy?
A) vagina
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On average, about how often does ovulation occur?
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B) every 28 days
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Through what structure does an oocyte travel on its way to the uterus?
A) uterine tube
B) cervix
C) vagina
D) ovary
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If you could stop diffusion of substances in fruit fly zygotes, could you stop normal development? Why or why not?
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Programmed cell death is also known as ________.
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You are a substitute teacher in a high school biology lab class on the day the students are dissecting frogs. A particularly bright student happens to notice that the left adrenal gland is malformed in her frog. She asks if a problem in embryonic development could have caused that. Although there may be more than one reason, what might you propose as an explanation based on embryonic development?
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Eye cells can become beak cells once they are committed.
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Cleavage and gastrulation take place in animals such as humans and birds but not in frogs.
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The blastula is the stage of embryonic development in which cells migrate.
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The end of a zygote that contains less yolk is the animal pole.
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A) sonic hedgehog
B) sonic chicken
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Which of the following is a process by which an initial set of genes turns on a second set of regulatory genes, which eventually turns on a third set of genes?
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B) It will develop into the heart of the organism.
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Of the choices listed, the first event that occurs during embryonic development is:
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Q:
The phase during which embryonic cells arrange themselves into three layers is called:
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B) gastrulation.
C) organogenesis.
D) fertilization.
E) induction.