{"id":"opensat:48952e8b4a2c5198947e8f00fd41cd62","source_id":"opensat","source_item_id":"48952e8b4a2c5198947e8f00fd41cd62","external_id":"random_id_e1","ibn":null,"question_id":"random_id_e1","program":"SAT","module":"english","domain_code":"INI","domain":"Information and Ideas","skill_code":null,"skill":null,"difficulty":"M","score_band":null,"answer_type":"mcq","answer_source":"key","layout_warning":null,"form_id":null,"module_number":null,"position":null,"stem":"The discovery of the *Terropterus xiushanensis* fossil is significant because it","stimulus":"The author of the passage states that \"the world’s understanding of the geographical distribution of mixopterids has been dramatically expanded\" by the discovery of a fossil mixopterid, *Terropterus xiushanensis*, in the paleocontinent of Gondwana. The author claims that previous fossil evidence of mixopterids was found only in the paleocontinent of Laurussia. What is the main idea of the passage?","stimulus_html":"<p>The author of the passage states that &quot;the world’s understanding of the geographical distribution of mixopterids has been dramatically expanded&quot; by the discovery of a fossil mixopterid, *Terropterus xiushanensis*, in the paleocontinent of Gondwana. The author claims that previous fossil evidence of mixopterids was found only in the paleocontinent of Laurussia. What is the main idea of the passage?</p>","stem_html":"<p>The discovery of the *Terropterus xiushanensis* fossil is significant because it</p>","rationale_html":"<p>The passage focuses on the fact that the *Terropterus xiushanensis* fossil was found in Gondwana, a paleocontinent where no mixopterid fossils had been previously found. This expanded understanding of mixopterid distribution is the main idea of the passage.</p>","correct_answer":["B"],"has_media":false,"has_mathml":false,"has_table":false,"source_created_at":null,"source_updated_at":null,"options":[{"label":"A","content_html":"<p>proves that mixopterids were more closely related to modern arachnids and horseshoe crabs than previously thought.</p>","ord":0},{"label":"B","content_html":"<p>provides evidence that mixopterids existed outside of the paleocontinent of Laurussia.</p>","ord":1},{"label":"C","content_html":"<p>challenges the accepted view of the geographical distribution of mixopterids, which previously thought that they were found only in Laurussia.</p>","ord":2},{"label":"D","content_html":"<p>reveals that mixopterids were more diverse than previously thought, with more than four species found in the fossil record.</p>","ord":3}],"attribution":{"source_id":"opensat","source_name":"OpenSAT community question bank","rights_holder":"OpenSAT contributors","canonical_url":"https://github.com/Anas099X/OpenSAT","retrieved_from":"https://pinesat.duckdns.org/api/questions","attribution":"Reading and Writing practice questions from the OpenSAT community question bank, whose licence permits free use of the database.","disclaimer":"OpenSAT items are community-written or AI-generated practice material, not official College Board questions; quality varies.","license":"OpenSAT LICENSE.md: the database may be used freely, including commercially, without restriction. Code is separately restricted.","redistributable":true,"item_count":1406}}