Fossil Evidence Indicates That the Following Events Occurred in What

question 28

Multiple Choice

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?
1) Protostomes invade terrestrial environments.
2) Cambrian explosion occurs.
3) Deuterostomes invade terrestrial environments.
4) Vertebrates become top predators in the seas.

• A) 2 → 4 → 3 → 1
• B) 2 → 1 → 4 → 3
• C) 2 → 4 → 1 → 3
• D) 2 → 3 → 1 → 4
• E) 2 → 1 → 3 → 4

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Definitions:

Magnetism

A physical property of materials that respond to the magnetic field, often resulting from the motion of electric charges.

Rock Types

Categories into which rocks are classified based on their formation process, including igneous, sedimentary, and metamorphic rocks.

Pluton

A pluton is a body of intrusive igneous rock that crystallized from magma slowly cooling below the surface of the Earth, often forming the core of mountains.

Sedimentary Unit

A layer of sedimentary rock with distinct physical, chemical, or biological characteristics that distinguish it from adjacent layers.