placoid in a sentence
a.
📚 Grade Level: Grade 9, Grade 10, Grade 11, Grade 12
Definition
Placoid refers to a type of scale characterized by a hard, tooth-like structure, commonly found on elasmobranch fish such as sharks.
Crossword clues for placoid
Crossword clue ideas and answer hints for the word "placoid".
- Hard, tooth-like scale on some fish.
- Type of scale found on sharks.
- Rough texture covering shark skin.
- Scale shape resembling a tooth.
- Characteristic feature of elasmobranchs.
Placoid sentence examples
- The placoid scales of sharks provide both protection and hydrodynamic advantages.
- In zoology, placoid refers to the type of scale found on certain fish species, particularly elasmobranchs.
- Researchers have studied the evolution of placoid scales to better understand their role in marine environments.
- Unlike the smooth scales of bony fish, placoid scales have a rough texture that helps reduce drag while swimming.
- The unique structure of placoid scales allows for effective energy conservation during movement in water.
- Placoid scales are characteristic features of certain species of sharks and rays.
- The placoid structure of the skin provides both protection and hydrodynamic efficiency.
- Scientists studied the placoid scales to understand their role in reducing drag during swimming.
- Unlike other fish, the placoid scales of cartilaginous fish have a unique tooth-like structure.
- The evolution of placoid scales is an interesting topic in the study of vertebrate anatomy.