The Outer-To-Inner Sequence of Tissue Layers in a Post-Gastrulation Vertebrate

question 8

Multiple Choice

The outer-to-inner sequence of tissue layers in a post-gastrulation vertebrate embryo is

• A) endoderm → ectoderm → mesoderm.
• B) mesoderm → endoderm → ectoderm.
• C) ectoderm → mesoderm → endoderm.
• D) ectoderm → endoderm → mesoderm.
• E) endoderm → mesoderm → ectoderm.

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Definitions:

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Computer programs designed to perform statistical calculations and analysis on data sets.

Ex Post Facto Design

A research approach that examines the effects of an independent variable on a dependent variable after the events have occurred.

Focus Groups

Structured group discussions used to gather participants' attitudes, feelings, beliefs, and reactions to a specific subject or area of interest.

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Research procedures carried out under controlled conditions and based on the technique of manipulating one or more variables in hopes of observing an effect. Typically, an experimental condition is applied to one group, and the results are compared with those from another group (control group) that has had no experimental treatment.