Refer to the Figure Showing Manipulations Carried Out by Spemann

question 125

Short Answer

Refer to the figure showing manipulations carried out by Spemann on developing amphibians. The results of this experiment indicate that the gray crescent is _______ for normal development of the amphibian embryo.

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Definitions:

Scientific Observation

The active acquisition of information from a primary source, using standardized methods to gather empirical evidence in a scientific context.

Unbiased

Lacking prejudice or favoritism; fair and impartial.

Categorizing

The process of sorting or arranging objects, ideas, or information into groups based on shared characteristics.

Psychophysiological Measure

Methods used to study the relationship between physiological processes and psychological states through the measurement of physical responses, such as heart rate or brain activity.