Gastrulation ________

question 4

Multiple Choice

Gastrulation ________.

• A)produces a solid ball of cells
• B)changes the blastocyst into an embryo that has three tissue layers
• C)changes the fertilized egg into a blastocyst
• D)changes a gastrula into a blastocyst

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Definitions:

Pre-menstrual Dysphoric Disorder

A severe form of premenstrual syndrome that significantly affects a woman's emotional and physical health.

DSM-IV

The fourth edition of the Diagnostic and Statistical Manual of Mental Disorders, a guide for diagnosing mental disorders.

Appendix

A small tube-shaped sac attached to the lower end of the large intestine, whose function in humans is considered vestigial.

Normal

Refers to what is considered usual, typical, or standard within a specific context or by societal norms.