You Are a Paleoanthropologist Uncovering Fossils in East Africa

question 24

Multiple Choice

You are a paleoanthropologist uncovering fossils in East Africa.Using a certain technique,you discover that a humanlike fossil is in a stratum between a volcanic eruption dated at 2.9 million years and another volcanic eruption whose rocks give a date of 3.6 million years.The fossil is about midway between these layers so you assign a tentative date of 3.2 to 3.3 million years to your fossil.What technique are you using?

• A)Radiocarbon analysis
• B)Stratigraphy
• C)Dendrochronology
• D)Potassium argon analysis
• E)Grid system

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Definitions:

Menstruation

The monthly shedding of the uterine lining in non-pregnant women, typically accompanied by bleeding, marking the start of the menstrual cycle.

Refractory Period

A period immediately following a stimulus during which a nerve or muscle is unresponsive to further stimulation.

Orgasm

A peak of sexual pleasure characterized by intense sensations and involuntary muscle contractions, often accompanied by the release of sexual tension.

FSH

Follicle Stimulating Hormone, a gonadotropin involved in the regulation of reproductive processes, including the maturation of ovarian follicles in females and spermatogenesis in males.