The definition of a churn is a device for making butter. An example of a churn is what the Amish use to make butter. verb. To churn is defined as to stir or shake milk or cream with intense movements in the process of making butter, to stir up and agitate, or to produce something at a rapid and regular rate. An example of to churn is for a boat to create waves while moving quickly through the water .
Quick Answer. Plants absorb energy from the sun and use photosynthesis to make sugars. Animals have mitochondria that use the sugars provided by plants to produce their own cellular energy. Plants that produce their own food, and food for other plants and animals using photosynthesis, are called autotrophs.
#2. phyzguy Science Advisor. The nutrients that plants get from the soil don't generally include living organisms. For the most part, plants don't require eating other organisms as a source of energy, and animals do. Most plants get their energy from the sun instead of eating other organisms. There are some exceptions, like Venus fly-traps, which are plants that eat insects for nutrients (not for energy), and animals like worms that eat primarily dead organic matter.