The Following Questions Refer to the Paragraph Below

question 61

Multiple Choice

The following questions refer to the paragraph below.
A sediment core is removed from the floor of an inland sea. The sea has been in existence, off and on, throughout the entire time that terrestrial life has existed. Researchers wish to locate and study the terrestrial organisms fossilized in this core. The core is illustrated as a vertical column, with the top of the column representing the most recent strata and the bottom representing the time when land was first colonized by life.

-If arrows indicate locations in the column where fossils of a particular type (see key above) first appear, then which core in the figure has the most accurate arrangement of fossils?

• A)core A
• B)core B
• C)core C
• D)core D

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Definitions:

Interplay

The way in which two or more things have an effect on each other.

Heredity

The passing on of physical or mental characteristics genetically from one generation to another.

Environment

The surrounding physical, social, and cultural conditions in which an organism or community lives and interacts.

Evolutionary Theories

A broad set of principles that seeks to explain the origins, development, and diversification of life on Earth through the process of natural selection and genetic variations.