Most Australopithecus Africanus Finds Have Been Dated to Between __________

question 46

Multiple Choice

Most Australopithecus africanus finds have been dated to between __________.

• A) 4.3 to 3.5 mya
• B) 3 to 1.5 mya
• C) 3.5 to 2.4 mya
• D) 4 to 1.2 mya

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Definitions:

Nucleus

A central and most important part of an object, movement, or group, forming the basis for its activity and growth, or in a biological context, the membrane-bound organelle found in eukaryotic cells that contains most of the cell's genetic material.

Nuclear Membrane

The double-layered membrane that encloses the nucleus of a eukaryotic cell, controlling the flow of substances in and out of the nucleus.

Centrosome

A cellular structure important in the process of cell division, serving as the main microtubule organizing center of animal cells.

Animal Cell Division

The process by which a single animal cell splits into two or more daughter cells, typically through mitosis or meiosis.