Biological Evidence and the Fossil Record

Question 1

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

Revolt · Accepted Answer

traditional classification; Selection 1: traditional classification; Selection 2: modern classification; Selection 3: modern classification; Selection 4: traditional classification

Question 2

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

Revolt · Accepted Answer

an understanding that species share a common ancestor

Question 3

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

Revolt · Accepted Answer

lungs

Question 4

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?

Revolt · Accepted Answer

A node would be introduced.

Question 5

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

Revolt · Accepted Answer

D and E

Question 6

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

Revolt · Accepted Answer

has jaws, but not bones

Question 7

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

Revolt · Accepted Answer

annelids

Question 8

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.

Revolt · Accepted Answer

Selection 1: Node; Selection 2: Clade; Selection 3: Taxa

Question 9

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

Revolt · Accepted Answer

ancestor

Biological Evidence and the Fossil Record Answers

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