Animals are heterotrophic, meaning they rely on other organisms—plants and/or other animals—for their foods, as they can not synthesize their own food items as crops do by using photosynthesis. The fossil report of animals goes back about 600 million decades to the Ediacaran period of time, or fairly before. A https://animalxxx61593.theobloggers.com/42752508/getting-my-animal-sex-to-work