Urok-prezentcija Zony Kornja 6 Klass Po Biologii -

"That’s the ," Mr. Petrov replied, showing a diagram where the cells looked like they were being stretched like taffy. "They don't divide anymore; they just grow longer, physically shoving the root tip into the earth."

The bell rang, and Mr. Petrov’s 6th-grade biology class scrambled to their seats. On the whiteboard, the title of the day’s presentation flickered: urok-prezentcija zony kornja 6 klass po biologii

Finally, he showed the top part of the root, where it met the stem. "The . This is the highway. Once the root hairs grab the water, this zone pumps it all the way up to the leaves so the tree can grow." "That’s the ," Mr

On the next slide, a cluster of tiny, active cells appeared. "Right behind the helmet is the . These cells are the engines. They never stop splitting, creating the new life that pushes the root deeper." Petrov’s 6th-grade biology class scrambled to their seats