With the Exception of the Sponges,all Animals Develop Embryologically in One

question 72

Multiple Choice

With the exception of the sponges,all animals develop embryologically in one of two ways; the chordates and echinoderms,as deuterostomes,

• A) are the only radially symmetric groups.
• B) are the only bilaterally symmetric groups.
• C) derive the anus from the blastopore.
• D) derive the mouth from the blastopore.

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Definitions:

Cross-Sectional Research

A research method that compares different population groups at a single point in time.

Development Over Time

A concept describing the gradual growth, change, or evolution of entities, skills, or knowledge across different periods.

Longitudinal Research

Longitudinal Research is a study design that follows the same subjects over a period of time to observe changes or developments.

Development

Development encompasses the process of change and growth in physical, emotional, intellectual, and social abilities and traits across the human lifespan.