Which Is Incorrect About Deuterostomes

question 90

Multiple Choice

Which is incorrect about deuterostomes?

• A) The commitment of embryonic cells to prescribed developmental pathways occurs later than in protostomes.
• B) The blastopore becomes the animal's anus.
• C) The archenteron outpockets to form coelom.
• D) Embryonic cells cleave in a spiral pattern.

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Definitions:

Dependent Variable

In an experiment or statistical model, the variable that is being tested and measured, often influenced by the independent variable(s).

Independent Variable

In an experiment, the variable that is intentionally changed to observe its effect on the dependent variable.

Least Squares Estimate

A statistical method used to determine the line of best fit by minimizing the sum of squares of the differences between observed and predicted values.

Intercept

The point at which a line crosses the axis in a graph, often associated with the starting value of a function when all independent variables equal zero.