megaspore

"The fern's gametophyte is a small, heart-shaped structure that produces sperm and eggs, which then combine to grow into the more familiar fern plant. "

"Professor Davies is a learned scholar, renowned for her deep knowledge of ancient history. "

"My sister is a female student in her senior year of high school. "

"Russia is a large country.   The fruit-fly has large eyes for its body size.   He has a large collection of stamps."

"The child develops her reading skills with practice. "

"The mold spread quickly because each tiny spore released landed on a new surface and started to grow. "

"My sister, typically, wakes up early for school. "

"He is a student of life."

"Our apple tree produces a lot of fruit every summer. "

"The factory is producing thousands of cars every month. "

"My son is taking biology classes at school, learning about different types of plants and animals. "

"The garden had a couple of trees, and a cluster of colourful plants around the border."