Ecdysozoans

question 177

Multiple Choice

Ecdysozoans

• A) are a polyphyletic group.
• B) all have a thick, hard exoskeleton.
• C) all have an exoskeleton that is composed of protein and chitin.
• D) all have a cuticle.
• E) all have jointed appendages.

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Definitions:

Life Change Credits (LCUs)

Quantitative scores assigned to various life events to assess their relative stress impact, aiding in the study of stress and its effects on health.

Health Problems

Issues or conditions that negatively affect an individual's physical or mental wellbeing.

Physical Illness

Any disease or condition that affects the body's ability to function normally, ranging from mild to severe.

Death of Spouse

A significant life event that involves the passing away of one's marital partner, often leading to profound emotional grief and lifestyle changes.