Karl Popper suggested that scientists use "imaginative preconception," which means that successful scientists:
A. do not keep records of experiments that fail.
B. do not need to do experiments to test their ideas.
C. only perform applied research.
D. often predict the outcome of experiments.
E. cannot predict the outcome of experiments.
D. often predict the outcome of experiments.
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The vertebrate ectoderm is the origin of the _____
A) nervous system B) liver C) pancreas D) heart E) kidneys
The relationship between the clownfish and the sea anemone it is associated with is an example of mutualism
Indicate whether the statement is true or false
Rhizobia help plants meet their __________ by producing __________
a. nitrogen; NH3 b. phosphorus; PO4 c. potassium; K2O d. nitrogen; NO3 e. phosphorus; ATP
Treacher-Collins Syndrome may include any of the following, EXCEPT
A. Blindness B. Colobomas C. Malformed External Auditory Meatus D. Slanted Palpebral Fissures E. Small Mandible