Ecology is the study of the relationship between organisms and their environment.

I ate an ice cream cone.

Scientists successfully cloned a sheep.

Studying ethics helps us understand moral principles and make ethical decisions.

Eating a balanced diet is the complement of a healthy lifestyle.

The chromosome is the structure that carries genetic information in cells.

She used the elevator to elevate to the top floor.

The heavy rainfall caused flooding in the city.

She was a revolutionary leader who fought for equality.

She used a dye to color her hair.