Answer: Hard and mineralized, forming the rigid framework of the body.
- A Hard and mineralized, forming the rigid framework of the body
- B Soft and flexible, found mainly at the tips of the nose and ears
- C Found only in the embryonic skeleton, replaced later by cartilage
- D Composed of dead cells lacking any blood supply
Correct answer: A. Hard and mineralized, forming the rigid framework of the body
Explanation: Bone is a hard, mineralized connective tissue that forms the rigid framework of the vertebrate body, unlike cartilage, which is more flexible and compressible.
The four basic animal tissue types and their core functions: epithelial (covering/lining), connective (support and transport), muscular (movement), and neural (signal conduction).
Concept context
The four basic animal tissue types (epithelial, connective, muscular, neural) and the cockroach as a model organism for organ-system level organisation.