The development of a useable scientific model may be hindered by errors and mistaken beliefs. The scientific method, however, should eventually lead to better scientific models because
A. contemporary scientists appreciate the scientific method more than ever.
B. new computer technology immediately detects the scientists' errors.
C. more complex scientific models lower the probability of inaccurate results.
D. additional scientific research either confirms or replaces flawed theories.
Answer: D. additional scientific research either confirms or replaces flawed theories.
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A cell that contains a membrane-bound nucleus and organelles is referred to as which of the following?
a. bacteria b. fungi c. prokaryote d. eukaryote
Looking at the use of antibiotics as growth promoters in livestock through the lens of "One Health," which of the following statements best describes the interrelationship of these components of the biosphere?
A. The broad range of antibiotics available will provide widespread protection from pathogenic microbes. B. Spontaneous antibiotic resistance that arises in animals can be rapidly spread to humans who work on factory farms. C. Livestock can be more susceptible to infectious diseases because of the energy required for such rapid growth. D. Choosing a vegetarian lifestyle goes a long way to avoid risks associated with antibiotic-treated livestock.
Which of the following is TRUE of all reptiles?
A) They have a heart with either three or four chambers. B) They have four well-developed limbs. C) They have teeth. D) They are predatory carnivores. E) They are exclusively terrestrial.
Component of the cytoskeleton; plays a role in the movement of the cell and its organelles; a protein filament in a sarcomere of a muscle, its movement shortens the sarcomere, yielding muscle contraction.
What will be an ideal response?