siphuncle in a sentence
n.
📚 Grade Level: Grade 9, Grade 10, Grade 11, Grade 12
Definition
Siphuncle: a tubular structure in certain mollusks, particularly cephalopods and ammonites, that connects the chambers of their shells and aids in buoyancy and movement.
Sample Sentences
- The siphuncle plays a crucial role in the buoyancy and movement of cephalopods.
- In fossilized ammonites, the siphuncle can often be seen running through the chambers of the shell.
- Researchers discovered that the siphuncle helps regulate the gas exchange within the creature's shell.
- During the evolution of mollusks, the siphuncle adapted to different environmental pressures and habitats.
- Understanding the structure and function of the siphuncle can provide insights into ancient marine ecosystems.