ABSTRACT
It is obvious that humans are not the only life-form or organism residing on this planet. In fact, we are only one of several million different species of organisms. Organisms include everything from mammals, birds, reptiles, and insects, to plants, bacteria, fungi, and yeast. But bear in mind that even though organisms such as a tomato plant and an octopus may seem completely different, they have numerous similarities which strongly suggest a common ancestry for all lifeforms hanging out on Earth, which includes you and me.
