Animals are heterotrophic, which means they rely on other organisms—plants and/or other animals—for his or her food stuff, as they cannot synthesize their unique food as plants do by way of photosynthesis. The fossil record of animals goes back about 600 million years into the Ediacaran time period, or somewhat https://emiliomihbs.blogdosaga.com/36264002/considerations-to-know-about-animal-hd-porn