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.
Mitochondria derive energy for all cells, plant or animal, in which they reside. They are the aerobic energy-derivers of eukaryotic cells. Plants require energy for multitudin â¦ ous cellular processes just like animals and that is what the mitochondria are for.onfidence votes 21.0K. They do have mitochondria, though it is not as much of a power source for the plant-during the Daytime - , because chloroplasts do that job.