Evolutionary Relationships Answers

Determine whether each statement below describes traditional or modern classification.based on similar appearancebased on evolutionary relationshipsknown as Cladisticsknown as Linnaean classification

How does the molecular clock work?

is a group of organisms that includes an ancestor and all of its descendants.

is any named group of organisms, whether they form a clade or not.

Which piece of information provided the stimulus for the shift from traditional classification to modern classification?

Fill in the blank below with the vocabulary word that best completes the sentence.Using a clock, scientists are able to estimate the amount of time that two species have been evolving independently.

Select the correct word from the drop-down menu to complete the sentences. are branching diagrams that depict the evolutionary relationship among species.

According to the cladogram, which of the following is the derived characteristic shared by amphibians and reptiles?

After much research and DNA analysis it has been determined that species in the same clade are actually more distantly related than originally thought. What is one way that the cladogram may change because of this information?

According to the cladogram, which species are MOST closely related?

Use the cladogram about fish to answer the following questions. Which of the following best describes the organism located at point B?

According to the cladogram, arthropods are MOST closely related to which group of organisms?

is a point in a cladogram where a single ancestral lineage breaks into two or more descendant lineages. is a group of organisms that includes an ancestor and all of its descendants. is any named group of organisms, whether they form a clade or not.

The organism at location D is the to organisms at location A, B, and C.