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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.
Figure 25.2
-Assuming the existence of fossilized markers for each of the following chemicals, what is the sequence in which they should be found in this sediment core, working from ancient sediments to recent sediments?
1) chitin coupled with protein
2) chlorophyll
3) bone
4) cellulose
Query Design View
A feature in database applications that allows users to visually create or modify queries to select or manipulate data.
Query Datasheet View
An interface in database applications that displays data from a query in a table format, allowing users to view and interact with the information.
SQL View
A virtual table created by a query applied to one or more tables in a database, providing a specific view of the data for user queries or data management.
Is Null
A condition or statement in databases that checks if a value is absent or empty.
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