In Most Cone-Producing Trees (Such as Pines), Tracheids and Albuminous

question 30

Multiple Choice

In most cone-producing trees (such as pines) , tracheids and albuminous cells function like the ________ and ________ of flowering plants.

• A) vessel elements; companion cells
• B) sieve tube members; rays
• C) companion cells; vessel elements
• D) ray initials; vessel elements
• E) sieve tube members; vessel elements

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Definitions:

Independent Variable

In an experiment, the variable that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Dependent Variable

The variable being tested and measured in an experiment, which is influenced by the independent variable.

Experimental Results

The data and observations collected during an experiment, which are analyzed to draw conclusions about the hypothesis tested.

Centimeter

A unit of length in the metric system, equal to one hundredth of a meter, commonly used to measure small distances or heights.