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Difficulty: MediumTransitions: Elaboration and Exemplification

Many plant species possess sophisticated defense mechanisms that allow them to warn neighboring foliage of impending herbivore attacks. ______ when an acacia tree is browsed by an antelope, it releases volatile ethylene gas into the air, signaling nearby acacias to immediately ramp up their production of toxic tannins.

Which choice completes the text with the most logical transition?

  1. A
    Nevertheless,
  2. B
    Furthermore,
  3. C
    Subsequently,
  4. For example,Answer

Answer

For example,
The correct answer is the option containing 'For example,'. The first sentence states a general claim about plants warning neighboring foliage of attacks. The second sentence provides a specific instance of this phenomenon: an acacia tree releasing ethylene gas to warn neighboring acacias when browsed by an antelope. Therefore, the transition 'For example' logically connects the general statement to the specific illustration.

Step-by-Step Solution

1
Analyze the relationship between the first and second sentences.
The first sentence makes a general claim: plants have defense mechanisms to warn neighbors of herbivore attacks. The second sentence describes a specific scenario: acacia trees releasing ethylene gas to signal other acacias when browsed by antelopes.
Understanding the logical connection between the ideas is necessary to choose the correct transition.
2
Identify the type of transition required.
Since the second sentence illustrates the general claim of the first sentence with a specific case, an exemplification transition is needed.
The logical flow goes from a general rule to a specific example.
3
Evaluate the choices to find the one that fits this relationship.
The transition 'For example' matches this exemplification relationship, while the other choices represent contrast ('Nevertheless'), addition ('Furthermore'), or sequence ('Subsequently').
Selecting the transition that matches the logical relationship ensures the text flows coherently.

Key Concept

Exemplification and Elaboration Transitions
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Topics

Transitions: Elaboration and Exemplification

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