The correct microbiological term for the tiny sample of specimen that is put into a nutrient medium in order to produce a culture is the ________.
Fill in the blank(s) with the appropriate word(s).
inoculum
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How can we select stars whose planets are likely homes for life?
What will be an ideal response?
Why do beaches often have less extreme temperature variation than inland areas?
A) The ocean moderates the temperatures. B) The sand absorbs and loses heat less efficiently. C) The ocean waves reduce wind. D) Air temperatures vary with latitudes.
In the experiment above, guppy color patterns (spots) were measured in populations exposed to increasing amounts of predation. From this you could conclude that ________.
A. predators are less likely to catch and eat brightly colored guppies B. predators do not affect the color patterns of guppies C. predators are more likely to catch and eat brightly colored guppies D. evolutionary changes take millions of years to appear E. brightly colored guppies are more likely to reproduce in the presence of predators
Which statement about germination is false?
A) The germination of a seed represents the beginning of life. B) Germination usually begins when a seed takes up water. C) A hydrated seed expands, rupturing its seed coat. D) Germination usually takes place after a period of dormancy.