Answer: Setae.
- A Setae
- B Cilia
- C Flagella
- D Parapodia
Correct answer: A. Setae
Explanation: Earthworms have S-shaped setae embedded in the epidermis of each segment that provide grip and aid locomotion.
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.