Earth\'s climate during the Carboniferous and Permian Periods was marked by ____

Question

Earth's climate during the Carboniferous and Permian Periods was marked by _____________.

global ice age ("snowball Earth")

globally warm temperatures and high sea level

very wet and humid conditions with low sea level

dry climate during the Carboniferous and then increasing rainfall later in the Permian Period

The geologic time boundary between the Carboniferous and Permian Periods is defined by ______________.

uninterrupted marine life environments and increased global temperatures

mass extinctions of dinosaurs and increased sea levels

mass extinctions of marine organisms and major glacial expansion

the Taconic Orogeny, a major mountain-building event

One hypothesis of the evolution of flight is it began as an extension of jumping, which may explain ____________________.

the appearance of the fixed-wing structure on certain insects

why the folded-wing developed first, during the Carboniferous Period

the evolution of birds during the Carboniferous Period

the first appearance of amphibians in the Permian Period

The supercontinent Pangaea formed during the Permian Period through what process?

Collision of Baltica and Gondwanaland

Continental rifting of the North American plate

Collision of Euramerica and Gondwanaland

Subduction of Gondwanaland beneath

global ice age ("snowball Earth")

globally warm temperatures and high sea level

very wet and humid conditions with low sea level

dry climate during the Carboniferous and then increasing rainfall later in the Permian Period

Explanation / Answer

1. Earth's climate during the Carboniferous and Permian Periods was marked by globally warm temperatures and high sea level.Late Carboniferous and Early Permian strata record the transition from a cold interval in Earth history, characterized by the repeated periods of glaciation and deglaciation of the southern pole, to a warm-climate interval.

3. One hypothesis of the evolution of flight is it began as an extension of jumping, which may explain the appearance of the fixed-wing structure on certain insects.

2. The geologic time boundary between the Carboniferous and Permian Periods is defined by uninterrupted marine life environments and increased global temperatures.

4.  The supercontinent Pangaea formed during the Permian Period through Collision of Euramerica and Gondwanaland.Baltica, Laurentia, and Avalonia all came together by the end of the Ordovician to form a minor supercontinent called Euramerica and at that time Gondwana drifted slowly towards the South Pole. This was the first step of the formation of Pangaea.The second step in the formation of Pangaea was the collision of Gondwana with Euramerica. By this process Pangaea formed.

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