Science Assessment

Which of the following is TRUE about the relatedness of different groups of organisms?

1. All animals, except for humans, came from a common ancestor, and all plants came from a common ancestor.  However, plants and animals do not have a common ancestor with each other.
2. All animals, including humans, came from a common ancestor, and all plants came from a common ancestor.  However, plants and animals do not have a common ancestor with each other.
3. All plants and all animals, except for humans, originally came from an ancient common ancestor.
4. All plants and all animals, including humans, originally came from an ancient common ancestor.