Refer to the Figure Showing Molting in a Fossilized Arthropod

question 181

Multiple Choice

Refer to the figure showing molting in a fossilized arthropod and in an extant arthropod. Which of the following is false?

• A) Molting shown in the 500-million-year-old fossil arthropod supports the hypothesis that molting may have evolved only once.
• B) The structure being shed is a cuticle.
• C) The structure being shed is soft and easily pierced.
• D) The new cuticle must expand and harden.
• E) The process of molting is necessary for growth.

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Definitions:

Multiple Regression Model

A statistical technique that analyzes the relationship between two or more predictor variables and a single response variable.

Dependent Variable

A variable in an experiment or model that is affected by changes in other variables, often examined to observe the effect of a manipulation.

Coefficient Of Determination

A statistical measure represented by R² that assesses the extent of variance for a dependent variable that's predictable from the independent variable(s).

Total SS

Total sum of squares in statistics, representing the total variation in the dataset, which can be partitioned into explained and unexplained components.