This book takes a scientific look at extraterrestrial and if they exist here on Earth. Reading Essentials in Science.
This book introduces bones and the human skeleton and explains their functions, which include supporting the body, giving it shape and structure, and protecting the major organs such as the heart and lungs. Reading Essentials in Science.
Crustaceans, arachnids, and insects are part of the arthropod family. Reading Essentials in Science.
Bacteria are single-celled organisms with the ability to help and harm other living things. Viruses can only reproduce in host cells, often causing infections. Reading Essentials in Science.