HS-LS1-7
Use a model to illustrate that cellular respiration is a chemical process whereby the bonds of food molecules and oxygen molecules are broken and the bonds in new compounds are formed resulting in a net transfer of energy.
- Microbes
Recycling the dead
When things die, nature breaks them down through a process we know as rot. Without it, none of us would be here. Now, scientists are trying to better understand it so that they can use rot — preserving its role in feeding all living things.
- Animals
Eating can be skin deep
In the laboratory, bottom-dwelling hagfish absorb nutrients through the skin.
- Chemistry
Explainer: What are oxidants and antioxidants?
Certain chemicals, including many in foods, fight chemical reactions that could harm cells in the body and in wildlife.
