Biology Phylogeny

Phylogeny is...

• The study of classification of different species

• The study of the evolutionary history of a species

• The study of prehistoric life

• The study of the distribution of different species

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Phylogenetic trees show...

• Evolutionary relationships between different species

• How one species has evolved through time

• Which species has evolved the most

• Which species have evolved from other species

Tags

NGSS.MS-LS4-2

According to maximum parsimony...

• The simpler your phylogenetic tree, the better

• Phylogenetic trees should have many branches

• All organisms in a phylogenetic tree must descend from a common ancestor

• Phylogenetic trees must show all traits

The groups in a phylogenetic tree are called...

• Taxa

• Nodes

• Roots

• Branches

Select the area on the cladogram that identifies the MOST RECENT common ancestor?

Tags

NGSS.MS-LS4-2

​ (a)   is a branching diagram showing relationships among groups of clades while a ​ (b)   is a branching diagram that shows the inferred relationships between various species.

• cladogram

• phylogenic tree

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

• Nodes

• Branches

• Taxa

• Species

Tags

NGSS.MS-LS4-3

Which level of biological classification is the MOST specific?

• Phylum

• Kingdom

• Order

• Species

Which level of biological classification is the LEAST specific?

• Domain

• Kingdom

• Genus

• Family

Which of the following statements about endosymbiotic theory is FALSE?

• Two (2) prokaryotes coevolved the form the first eukaryote

• One prokaryote absorbed another prokaryote

• Explains the evolution of the mitochondria and chloroplast

• Prokaryotes evolved from the first eukaryotes

Tags

NGSS.MS-LS4-2