Foraging bees communicate with other bees in a waggle dance to give information about the food. The important cue in the dance that conveys information about the required flight direction to the food source relative to the hive-sun direction is the
A. angle between the food source and the hive in reference to the sun.
B. angle between the waggle run and the vertical axis within the hive.
C. angle between the waggle run in reference to the hive-sun angle.
D. angle between the waggle run in reference to the direction north from the hive.
E. speed of the waggle dance.
B. angle between the waggle run and the vertical axis within the hive.
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Species of the genus Thiobacillus
A. oxidize inorganic sulfur compounds and produce ATP. B. are ubiquitous in soil, freshwater, and marine environments. C. produce acids that leach metals out of ore. D. All of the choices are correct.
If an organism were a glucose and lactose fermenter, the LIA reaction would be:
a. K/A. b. A/K. c. A/A. d. K/K.
Four of the five ecosystems below are related by the
same type of biome. Select the exception. a. short-grass prairie b. monsoon grassland c. savanna d. chaparral e. tallgrass prairie
Which method is often used to analyze proteins and nucleic acids by physical separation when estimating genetic variation in populations?
A) centrifugation B) fluorometry C) in situ hybridization D) electrophoresis E) absorption spectrophotometry