Classification and Phylogeny

The groups in a phylogenetic tree are called...

• Taxa

• Nodes

• Roots

• Branches

Places on a phylogenetic tree where organisms share a common ancestor are called...

• Nodes

• Branches

• Taxa

• Species

The field of biology that classifies organisms is called...

• Taxonomy

• Phylogeny

• Paleontology

• Embryology

Which level of biological classification is the MOST specific?

• Phylum

• Kingdom

• Order

• Species

According to the phylogenic tree which organism is LEAST closely related?

• A

• B

• C

• D

• E

Tags

NGSS.MS-LS4-2

An analysis of DNA and RNA sequences can be used to classify organisms. Which statement is best supported by the information in this dendrogram?

• Lesser pandas are more genetically similar to giant pandas than they are to raccoons.

• Brown bears are more genetically similar to giant pandas than they are to sun bears.

• Lesser pandas are more genetically similar to raccoons than they are to giant pandas.

• The bear species are all more genetically similar to dogs than they are to giant pandas.

Tags

NGSS.MS-LS4-2

In cladistics, what is a "clade"?

• A group of organisms that includes an ancestor and all its descendants.

• A collection of species that share a common habitat.

• A classification based solely on the number of shared physical characteristics.

• A method for estimating the age of fossils.

Tags

NGSS.MS-LS4-2

Cladistics is a method of classification based on what principle?

• The geographical distribution of species.

• The chronological order of species emergence.

• The common ancestry and evolutionary relationships between organisms.

• The physical similarities among organisms without regard to their evolutionary relationships.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

What are the 3 domains? (a)  

• Kingdom, Phylum, Class

• Archaea, Bacteria, Eukarya

• Class, Order, Species

• Genus, Species, KIngdom

Which of the following statements about a phylogenetic tree is FALSE?

• It represents hypotheses about evolutionary relationships.

• It shows the exact time when each species evolved.

• It can be revised based on new evidence.

• It includes branches that represent common ancestors.