What does it mean when any nutritional food you eat can be traced back to a plant and the Sun?

Any nutritional food you eat can be traced back to a plant and the Sun.








Can someone explain this for me? It is for my health class.

What does it mean when any nutritional food you eat can be traced back to a plant and the Sun?
plants take energy from the sun and convert it into sugars.





since we cannot perform this photosynthesis ourselves, we eat the plants to get the sugars... or eat the animals that eat the plants
Reply:sunlight is a key ingredient in photosynthesis, which is the plant making energy out of light, water, and carbon dioxide (CO2) to live. So now a cow eats the grass, so the energy from the sun went to the grass now to the cow, and you ate a hamburger, therefore the energy has been transfered from the sun, to the grass, to the cow, to you.
Reply:all food can be traced back to them because only plants can create energy from sunlight.