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:

Opening Stance

The initial position or attitude one adopts at the beginning of a negotiation or debate, often setting the tone for discussions and indicating preliminary expectations or demands.

Firmness

The quality of being resolute or showing steadfast adherence to a decision or opinion.

Committed Position

A firm stance or viewpoint held in a negotiation, often difficult to change or negotiate away from.

Costs of Delay

The negative consequences, such as financial losses or missed opportunities, resulting from postponing a decision or action.