The archerfish is renowned for its ability to shoot down land-based insects by spitting a precise stream of water from its mouth, a predatory technique that relies on complex visual calculations to correct for light refraction at the water’s surface. _______ researchers have discovered that the fish does not possess an innate, genetically programmed mathematical template for this task; rather, it refines its aim through trial-and-error learning and by observing experienced members of its school.
Which choice completes the text with the most logical transition?
- AConsequently,
- However,Cevap
- CFurthermore,
- DFor instance,
Cevap
The choice 'However,' is the correct answer because it establishes the necessary contrast between the expectation of an innate ability and the reality of a learned skill.
The transition 'However' is correct because the passage presents a contrast. The first sentence describes the archerfish’s highly complex ability to correct for light refraction, which implies a sophisticated, genetically programmed trait. The second sentence introduces research showing that this ability is actually not innate but rather learned through experience and social observation. The transition 'However' correctly signals this shift from the implicit assumption of an innate trait to the evidence of a learned behavior.
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Anahtar Kavram
Transitions: Contrast and Concession