**Text 1** Dr. Angela Rossi and colleagues argue that as environmental stress increases, t… — SAT

Text 1
Dr. Angela Rossi and colleagues argue that as environmental stress increases, the relationship between neighboring plant species shifts from competitive to facilitative. In their study of *Artemisia* shrubs in desert ecosystems, they found that under high drought stress, the presence of mature "nurse" plants significantly increased seedling survival rates by shading the soil and retaining moisture. Rossi concludes that environmental stress universally promotes cooperative ecological dynamics.

Text 2
Ecologist Dr. Liam Chen investigated interactions between subalpine herbs under high wind stress. Chen observed that while hardy species provided wind shelter to delicate seedlings, this apparent facilitation was offset by severe underground nutrient competition in the resource-poor subalpine soil, ultimately resulting in net negative growth for the sheltered seedlings. Chen suggests that abiotic stress does not inherently guarantee positive or cooperative outcomes.

Based on the passages, how would Chen (Text 2) most likely respond to Rossi’s (Text 1) conclusion that environmental stress universally promotes cooperative ecological dynamics?

A
By suggesting that it is supported by evidence that subalpine herbs rely on shading to survive in resource-poor soils.
By arguing that it is overgeneralized because it fails to account for how increased competition for subsurface resources can counteract surface-level facilitation.Cevap
C
By claiming that it is entirely invalid because facilitative interactions among plant species do not occur under high-stress conditions.
D
By asserting that it is correct because both studies demonstrate that harsh abiotic conditions suppress competitive behaviors in favor of mutual seedling protection.

Cevap

The author of Text 2 would respond by arguing that Text 1's conclusion is overgeneralized because it fails to account for how increased competition for subsurface resources can counteract surface-level facilitation.

The correct answer is the option stating that Chen would respond by arguing that Rossi's conclusion is overgeneralized because it fails to account for how increased competition for subsurface resources can counteract surface-level facilitation. In Text 1, Rossi concludes that environmental stress universally leads to cooperative dynamics, based on a study where nurse plants helped seedlings survive through shading. In Text 2, Chen presents a study of subalpine herbs under wind stress where, despite some surface-level shelter (facilitation), severe underground competition for nutrients led to a net negative outcome for seedlings. Therefore, Chen would argue that Rossi's claim is too broad because it overlooks underground competitive dynamics that can override surface cooperation.

Adım Adım Çözüm

Identify the primary claim made by Rossi in Text 1.

Rossi concludes that environmental stress universally promotes cooperative (facilitative) ecological dynamics among plants.

To compare the perspectives, we must first establish the specific claim of Text 1.

Identify the findings and perspective of Chen in Text 2.

Chen finds that under high wind stress, some facilitation (shelter) occurs, but it is counteracted by severe underground nutrient competition, leading to a net negative outcome for seedlings. Chen concludes that abiotic stress does not inherently guarantee positive outcomes.

This establishes Text 2's position relative to Text 1's claim of 'universal' facilitation.

Synthesize the relationship between the two perspectives.

Since Rossi claims facilitation is universal under stress, and Chen shows a case where stress leads to net negative outcomes due to underground competition counteracting facilitation, Chen would view Rossi's claim as an overgeneralization that ignores competing ecological forces.

This determines the correct relational dynamic to identify the right option.

Anahtar Kavram

Synthesizing the relationship between two texts to determine how one author would evaluate the other's claim.

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