Tiny Builders

This passage explains worm reproduction in detail, highlighting that most are hermaphrodites with both male and female organs. It describes how worms exchange sperm, lay eggs in protective cocoons, and how tiny hatchlings emerge after about three weeks. Students also learn that worms don’t care for their young but produce many offspring to sustain populations.

The passage develops sequence recognition and biological vocabulary such as cocoon, hermaphrodite, and hatchling. Students practice summarizing life processes and analyzing text structure in a clear scientific explanation. It promotes reading accuracy and understanding of animal reproduction.