What did rogrer arliner young invent?

Roger Arliner Young was an African American biologist who made significant contributions to the field of marine Biology and was one of the first African American women to earn a degree in zoology. Although she is not primarily known for a specific invention, she played a crucial role in advancing scientific understanding of marine life, particularly through her research on protozoa and their physiological processes. Young's work helped lay the groundwork for future studies in biology and environmental science.