Which of the Key Features of Members of the Phylum

question 41

Multiple Choice

Which of the key features of members of the Phylum Arthropoda listed below is correct?

• A) Evolutionarily insignificant group of animals
• B) Have an endoskeleton made of chitin and protein
• C) Have been in existence for 100 million years
• D) Have a body plan that includes jointed appendages for multiple daily tasks

---

Definitions:

Sectors

Broad categories that represent segments of the economy or society, such as public, private, and nonprofit sectors, each with distinct characteristics and functions.

Spectrum Of Organizations

The range or continuum of different types of organizations from those that are purely profit-focused to those entirely non-profit or charitable.

Volunteers

Individuals who offer their time and skills without financial compensation, often to support the activities of non-profit organizations, community projects, or social causes.

Legal Foundations

The basic legal principles and structures upon which laws are built and which guide the legal system or specific legal issues.