Mammals Arose as a Dominant Life-Form After Which Event

question 39

Multiple Choice

Mammals arose as a dominant life-form after which event?

• A)the start of the Quaternary period
• B)the Cretaceous extinction
• C)the Devonian extinction
• D)the Cambrian explosion

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Definitions:

Malignant Cells

Cells that are cancerous and have the ability to invade other parts of the body.

Interphase

Interphase is the phase of the cell cycle in which the cell prepares for division, characterized by DNA replication and increase in cell size.

G (Gap)

Refers to phases in the cell cycle where a cell grows and performs normal functions, crucial for the preparation of cell division.

Neoplasm

An accumulation of abnormally dividing cells.