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01 Jul 2020, 03:42
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80% (01:47) correct
20%
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European honeybees have evolved sophisticated defense mechanisms against predators that raid their hives. For example, when a raiding wasp is detected at the entrance to the hive, chemical signals are released by the detecting bees which cause other bees to swarm around and sting the intruder. This makes it difficult to understand why when a sparrow, which sometimes eats bees, is detected just outside the hive, no swarm-inducing chemical signal is produced.
Which of the following, if true, contributes most to an explanation of the behavior of the European honeybees as it is described above?
A) A raiding wasp must be stung many times by European honeybees before it dies.
B) Sparrows do not eat many bees in quick succession, and never enter bee hives.
C) A raiding wasp must be stung fewer times than a sparrow before it dies.
D) In full flight, sparrows can fly faster than European honeybees.
E) The European honeybees' defense mechanisms have allowed the species to survive for millions of years.
Which of the following, if true, contributes most to an explanation of the behavior of the European honeybees as it is described above?
A) A raiding wasp must be stung many times by European honeybees before it dies.
B) Sparrows do not eat many bees in quick succession, and never enter bee hives.
C) A raiding wasp must be stung fewer times than a sparrow before it dies.
D) In full flight, sparrows can fly faster than European honeybees.
E) The European honeybees' defense mechanisms have allowed the species to survive for millions of years.
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01 Jul 2020, 06:40
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Among all of the given options only option B has an inference from the passage. rest is based on speculation.
This makes it difficult to understand why when a sparrow, which sometimes eats bees, is detected just outside the hive, no swarm-inducing chemical signal is produced.
A) A raiding wasp must be stung many times by European honeybees before it dies. ( no number of stung mentioned or described )
B) Sparrows do not eat many bees in quick succession, and never enter bee hives. (mentioned in paragraph) (CORRECT)
C) A raiding wasp must be stung fewer times than a sparrow before it dies. ( no number of stung mentioned or described )
D) In full flight, sparrows can fly faster than European honeybees. (No proof we have) (Out of Scope)
E) The European honeybees' defense mechanisms have allowed the species to survive for millions of years. ( No parameter given to judge the statement) (Incorrect
Answer is B
This makes it difficult to understand why when a sparrow, which sometimes eats bees, is detected just outside the hive, no swarm-inducing chemical signal is produced.
A) A raiding wasp must be stung many times by European honeybees before it dies. ( no number of stung mentioned or described )
B) Sparrows do not eat many bees in quick succession, and never enter bee hives. (mentioned in paragraph) (CORRECT)
C) A raiding wasp must be stung fewer times than a sparrow before it dies. ( no number of stung mentioned or described )
D) In full flight, sparrows can fly faster than European honeybees. (No proof we have) (Out of Scope)
E) The European honeybees' defense mechanisms have allowed the species to survive for millions of years. ( No parameter given to judge the statement) (Incorrect
Answer is B
01 Jul 2020, 07:06
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Answer B
when a raiding wasp is detected at the entrance to the hive this makes it clear why European bees attack .
As option B stated Sparrows don't enter bee hives this explains the difference.
when a raiding wasp is detected at the entrance to the hive this makes it clear why European bees attack .
As option B stated Sparrows don't enter bee hives this explains the difference.
