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:

Sensitive Period Hypothesis

The theory that there are certain periods in human development where the brain is particularly receptive to learning specific types of information or skills.

Aphasia

A disorder caused by damage to the parts of the brain responsible for language, resulting in difficulties with speaking, reading, writing, or understanding language.

Brain Damage

Refers to the destruction or deterioration of brain cells and tissues, often resulting in loss or impairment of cognitive, physical, or emotional functions.

Old Brains

A colloquial term possibly referring to the brains of elderly individuals or to ancient and primal brain structures involved in basic life functions.