Biogenesis refers to the
A) spontaneous generation of organisms from nonliving matter.
B) development of life forms from preexisting life forms.
C) development of aseptic technique.
D) germ theory of disease.
B
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You use several model organisms in your lab's research. Which of your model organisms would you expect to exhibit a higher mutation frequency: E. coli, D. melanogaster, or M. musculus?
What will be an ideal response?
Which one of the following is considered to be an important plant hormone that helps plants cope with environmental stresses?
A. abscisic acid B. auxins C. ethylene D. cytokinins E. prostaglandins
Which group includes all of the other groups?
A. Domain B. Order C. Family D. Genus E. Species
A cherry blossom has all four sets of modified leaves (sepals, petals, stamens, and carpels), so it is called a __________ flower.
Fill in the blank(s) with the appropriate word(s).