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.
Nutrients are absorbed out of the soil by the plant's roots. The food energy of plants is stored for future use in its roots and stems and is stored as seeds and fruits to aid seedlings in their growth and success.These roots, stems, seeds and fruits are eaten by animals for food energy.Because animals cannot make their own food, they depend on plants for food energy and for nutrients. Without plants, the animals in a wildlife community could not survive.he water is absorbed out of the soil by the plant's roots. The glucose provides food energy that is used by the plant to perform life processes and is also stored for later use. Though not directly necessary for photosynthesis, plants also need nutrients to survive.