
"Structures" are part of many primary curriculum guidelines. They usually mean human-made structures such as bridges. Structures are made up of parts arranged in a way that serve a certain purpose. This book looks at natural structures such as plants, animal bodies, mountains,...
![¿Qué Son Las Estructuras Naturales? (What Are N... [Spanish] 077878701X Book Cover](https://i.thriftbooks.com/api/imagehandler/l/8F75620A9D8D5DCBF2E636AF3707111C9C86A5C9.jpeg)
Structures are made up of parts arranged in a way that serve a certain purpose. This book looks at human-made structures, such as bridges, and natural structures, such as plants, animal bodies, mountains, caves, rock formations, and icebergs, the materials from which they are...

"Structures" are part of many primary curriculum guidelines. They usually mean human-made structures such as bridges. Structures are made up of parts arranged in a way that serve a certain purpose. This book looks at natural structures such as plants, animal bodies, mountains,...