Asked by Grace Ferreira on Jun 22, 2024
Verified
What marks the boundary between the Mesozoic and the Cenozoic called the K-P boundary) ?
A) the extinction of the dinosaurs
B) the start of a rise to dominance of mammals
C) a meteorite impact in Mexico
D) all of these
E) none of these
K-P Boundary
The K-Pg (Cretaceous-Paleogene) Boundary marks the mass extinction event about 66 million years ago that led to the extinction of the dinosaurs and many other species.
Meteorite Impact
The collision of a meteorite with the Earth's surface, causing crater formation and often leading to significant geological changes.
- Comprehend the manner in which mass extinction occurrences and significant geological events are documented within the geologic timescale.
Verified Answer
DP
Daphene PhoebeJun 23, 2024
Final Answer :
D
Explanation :
The K-Pg (Cretaceous-Paleogene) boundary marks the end of the Mesozoic Era and the beginning of the Cenozoic Era, characterized by the extinction of the dinosaurs, the rise of mammals to dominance, and evidence of a significant meteorite impact in what is now Mexico, all contributing to a major transition in Earth's biological and geological history.
Learning Objectives
- Comprehend the manner in which mass extinction occurrences and significant geological events are documented within the geologic timescale.
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