archegonium

"The students are developing their understanding of fractions in math class. "

"The botanist studied the different types of flowers in the school garden. "

"While listening to the lecture, the motile found themselves subtly mouthing the words the professor spoke, as if physically rehearsing the information to better understand it. "

"The security guard's quick looking around the store helped him spot the shoplifter. "

"He examined the crime scene for clues."

"Because of its complex structure and specialized cells, the scientist classified the organism as multicellular. "

"The birds had built an amazing structure out of sticks and various discarded items."

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The box contains my old toys. "

"The scientist studied the reproductive cycle of the fruit flies in her lab. "

"The farmer fertilized his field with manure to help the crops grow better. "

"During fertilization, the male gamete (sperm) and the female gamete (egg) fuse to create a new cell with a full set of chromosomes. "