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Question

Difficulty: EasySelecting Concluding Sentences and Transitions

Honeybees have developed a sophisticated method of communication known as the waggle dance. When a scout bee finds a rich source of nectar, she returns to the hive and performs a series of figure-eight movements. By angling her body relative to the sun and varying the duration of the central 'waggle' run, she tells her hive mates both the direction and the distance to the flower patch.

The writer wants to add a concluding sentence to the paragraph that summarizes the paragraph's main focus on the honeybees' communication method. Which of the following sentences best achieves this goal?

  1. A
    Unfortunately, honeybee populations are declining worldwide due to habitat loss and pesticide use.
  2. B
    This movement is essential for the hive, it ensures they can survive the winter.
  3. C
    As a result, other bees quickly flew out of the hive and found the flowers.
  4. Through this unique physical display, the bees can successfully direct one another to abundant food sources.Answer

Answer

Through this unique physical display, the bees can successfully direct one another to abundant food sources.
The correct option logically concludes the paragraph by summarizing how the waggle dance functions as a communication method to guide other bees to food, matching the present-tense verbs and main idea of the passage.

Step-by-Step Solution

1
Analyze the main focus of the paragraph.
The paragraph explains the mechanics of the waggle dance and how honeybees communicate direction and distance to nectar sources.
An effective concluding sentence must summarize this main focus without introducing new, unsupported information.
2
Evaluate the options for logical relevance.
The option about populations declining introduces new details. The option about finding flowers shifts the narrative to a past event rather than summing up the general method. The option about directing one another to food sources successfully wraps up the paragraph's theme.
This helps eliminate choices that drift from the main topic or introduce grammatical issues.
3
Evaluate the remaining options for grammatical correctness.
The option containing 'essential for the hive, it ensures' is a comma splice. The option with 'flew' and 'found' shifts tenses. The correct option is grammatically correct and consistent with the passage's present tense.
ACT English questions require both rhetorical appropriateness and strict grammatical accuracy.

Key Concept

Selecting Concluding Sentences and Transitions
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Topics

Selecting Concluding Sentences and Transitions

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