A | B |
What kind of analysis focuses on the order in which derived characters appeared in organisms? | cladistic analysis |
In biology, an evolutionary innovation is also referred to as a | derived characteristic (for example, feathers were an evolutionary innovation that set feathered dinosaurs, a later, birds, apart from all other reptiles. Therefore feathers are a type of derived characteristic that today would only be seen in birds and not other animals) |
What do scientists consider when they perform a cladistic analysis? | derived characteristics |
A ____ is a diagram that shows evolutionary relationships based on derived characteristics. | cladogram |
Similar genes and DNA are evidence of _____. | common ancestory |
Scientists have found that even organisms as dissimilar as yeast and cows still have similar ____ for the assembly of certain key proteins. | genes (or DNA. Genes are made of DNA) |
What does the presence of similar genes in very dissimilar organisms imply? | The two organisms once shared a common ancestor. |
The more recently two different species shared a common ______, the more closely related they are. | ancestor |
The diagram pictured below is an example of a ___.,  | cladogram,  |