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Difficulty: EasyParagraph-Level Transitions

Crows are remarkably intelligent birds, capable of solving complex puzzles and using tools to obtain food. In laboratory settings, they have been observed bending wires into hooks to retrieve treats from deep tubes. This problem-solving ability suggests a level of cognitive sophistication rivaling that of many mammals.

[1] complex social structures, living in family groups that help raise offspring and defend territory together. They communicate using a wide variety of calls and can even recognize individual human faces, remembering for years those who have threatened them.

Which choice provides the most effective transition from the preceding paragraph to the paragraph that follows?

  1. A
    In addition, crows also display
  2. B
    Crows can solve complex puzzles, they also live in
  3. In addition to their individual cognitive abilities, crows possessAnswer
  4. D
    Because crows are capable of bending wires into hooks, they had lived in

Answer

In addition to their individual cognitive abilities, crows possess
The correct option successfully bridges the two paragraphs by referencing the crows' cognitive abilities mentioned in the first paragraph and introducing their social behaviors described in the second paragraph. It maintains the present-tense style and is grammatically correct.

Step-by-Step Solution

1
Analyze the main idea of the first paragraph.
The first paragraph discusses the individual intelligence, problem-solving skills, and tool-use capabilities of crows.
Understanding the preceding context is necessary to identify what the transition sentence must connect from.
2
Analyze the main idea of the second paragraph.
The second paragraph discusses the social structures, communication, and social recognition (recognizing faces) of crows.
Understanding the following context is necessary to identify what the transition sentence must connect to.
3
Evaluate the choices to find one that bridges both concepts while maintaining grammatical correctness.
The option beginning with 'In addition to their individual cognitive abilities' correctly references the cognitive skills from the first paragraph and introduces the social behavior of the second paragraph without grammatical errors.
The correct transition must establish a logical link between individual cognition and social behavior.

Key Concept

Paragraph-Level Transitions
Estimated Time:1m 0s
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Topics

Paragraph-Level Transitions

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