How Many Times Has Rifting Occurred Along Eastern North America

question 83

Multiple Choice

How many times has rifting occurred along eastern North America since 600 million years ago?

• A) once in the Mesozoic
• B) once near the start of the Paleozoic
• C) twice, once in the Mesozoic and once near the start of the Paleozoic
• D) four times

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Definitions:

Mutualisms Stability

Refers to the persistence and resilience of symbiotic interactions where both species benefit, despite environmental or evolutionary changes.

Yucca Moths

Specialized moths that have a mutualistic relationship with yucca plants, wherein the moth pollinates the plant while laying eggs in the flower, and the emerging larvae feed on some of the developing seeds.

Antagonistic

A relationship or interaction between two entities in which one opposes or competes with the other, leading to adaptation or evolution.

TTX

Tetrodotoxin, a potent neurotoxin found in species such as pufferfish, known for its ability to block nerve signals.