Pass Review - Part 1

The end of the Paleozoic Ear was signaled by __________.

A process by which organisms w/characteristics suited to environment will survive & reproduce

The Great Rift Valley in Africa is a ___.

Gap in rock layers are called ___

The development of ___ factored in the development of complex organisms

Plate tectonics may affect organic evolution because movement of plates may cause a change in

Hard scales of reptiles' skin helped them to retain water, enabling them to adapt to __ climate

The presence of the same __ on several continents supports the hypothesis of continental drift

Only epochs in the ____Era(s) have been given specific names

The ___ formed during the Paleozoic Era

Rock layers are correlated if they both contain the same

The longest subdivision of geologic time is

Cenozoic Era life-forms include 

Determining order of events & relative age of rocks by examining position of rocks in sequence 

Pangaea separated into 

While studying the ocean floor, scientists found ___ bands of magnetism.

In order to complete a convection current, the rising material must eventually ____Earth.

Plates move apart at ___ boundaries.

A life-form in the Precambrian time was 

The first human to step onto the Moon was ____.

The result of plate movement can be seen at ___

Reptiles evolved from an ancestor of amphibians that developed a 

The __ are mountains formed by the collision of the Indo-Australian Plate & Eurasian Plate

The boundary between two plates moving together is called a 

Angiosperms are the dominant land plant today because they developed

Life-forms that existed during the Paleozoic Ear included

The ___ is (are) an example of a transform boundary.

A life-form that evolved during the ___Era was the dinosaur.

If the same sequence of rock layers is observed over a large area, ___

____ currents inside Earth might drive plate motion.

Plates slide past one another at 

A fossil plant that helps support the theory of continental drift is

Little is known about much of Earth's early history because

Plates of the lithosphere float on the ____.

The crust and upper mantle make up Earth's 

When the force on rocks is great enough, they break, production vibrations called___

A ____ is a sensitive device used to detect magnetic fields on the seafloor.

Humans appeared during the ___ Era

All of the following conditions help preserve organisms as fossils EXCEPT ____.

The Alps, Andes, and Himalaya formed in the 

Continental drift states that continents have moved ____ to their current location.

Matching ____ on different continents are evidence for continental drift.

If a species can adapt to a changing environment, or ___, its descendants will survive.

Lack of explanation for continental drift prevented scientists accepting supercontinent called

___ are formed when two continental plates collide

____ existed during the Mesozoic Era.

The youngest rocks on the ocean floor are located

Wegener believed that the continents originally broke apart about ___ years ago..

Scientists believe that differences in __ cause hot, plasticlike rock in asthenosphere to rise

Geologic time is divided into units based upon types of 

The hypothesis that continents have slowly moved to their current locations is called

__ on geologic time scale are marked by major, striking, & worldwide changes in fossil types