The Skeletons of Rays and Skates Are Made Of

question 95

Multiple Choice

The skeletons of rays and skates are made of:

• A)muscle.
• B)bone.
• C)cartilage.
• D)chitin.
• E)protein slime.

---

Definitions:

Market Segment

A market segment is a group of individuals or organizations sharing one or more characteristics that cause them to demand similar product and/or services based on qualities of those products such as price or function.

Product Development

The complete process of bringing a new product or service to market, from the initial idea through design, creation, and finally, introduction to consumers.

Bionics

The application of biological methods and systems found in nature to the study and design of engineering systems and modern technology.

Prosthetic Limbs

Artificial devices used to replace missing extremities such as arms or legs, helping to improve the mobility and functionality for individuals.