Definition: In scientific usage, a multicellular organism that is usually mobile, whose cells are not encased in a rigid cell wall (distinguishing it from plants and fungi) and which derives energy solely from the consumption of other organisms (distinguishing it from plants).
Alright class, settle down now, let’s take a look, At what an ‘animal’ truly is, within this book! The dictionary gives us quite a detailed plea, Let's break it down for you and clearly see. “Multicellular” means it’s made of many parts, Like building blocks assembled with skillful arts. "Usually mobile," that’s the key to its grace, It can move around, finding a happy space! Now listen close, this is important too, Its cells don't have walls – no rigid hue! Unlike plants and fungi, strong and tall, Animals are different, answering nature’s call. And finally, the most vital part you see, "Derives energy solely from consuming glee!" That means it eats other living things, you know, To get its power, watch its energy flow! So, an animal is a moving, many-parted friend, Whose diet’s based on creatures without end. Do you have any questions? Let's discuss with care, Understanding animals – truly beyond compare!