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.
Plants get their food directly from the Sun by using the the light energy of the Sun to make food . Photosynthesis takes place in the prescence of water, carbon dioxide and light. Plants get their water from the soil and carbon dioxide from the air. the leaves of the plant contain a green pigment called chlorophyll.