AP Biology Phylogeny

Which piece of evidence BEST supports the endosymbiotic theory of organelle evolution?

• Mitochondria and chloroplast are the same size as present day extant bacteria.

• They divide by a process that is similar to meiosis.

• Mitochondria and chloroplast both contain DNA and can make their own proteins.

Tags

NGSS.MS-LS4-2

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

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

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

Living marine sponges

• Porifera

• Protista

• Phyla

• Ctenophora

Flatworms

• Platyhelminthes

• Nematoda

• Annelida

• Arthropoda

Which of the following is a monophyletic group?

• A) Birds and mammals

• B) Reptiles and amphibians

• C) Mammals

• D) Fish and amphibians

Tags

NGSS.MS-LS4-2

In a phylogenetic tree, what does a branch point represent?

• A) A species that has gone extinct

• B) A common ancestor of the descendant species

• C) A mutation event

• D) A geographical barrier

Tags

NGSS.MS-LS4-2