Jawed vertebrate radiation

Question 1

reference

Answer 1

Alfaro et al. 2009

Question 2

What did the study use to analyse the vertebrate phylogeny?

Answer 2

A comparative method called MEDUSA

Question 3

The study used medusa to analyse the … … and … … of … clades of jawed vertebrates

Answer 3

evolutionary relationships, species richness, 44

Question 4

This study looks at the … … in particular

Answer 4

jawed vertebrates (gnathostomes)

Question 5

The study identifies … major changes in the tempo of gnathostome diversification. The most significant of these lies at the base of a clade that includes…

Answer 5

9, most of the coral-reef associated fishes as well as cichlids and perches (a group called the percomorphs)

Question 6

Rate increases also underlie several well-recognized tetrapod radiations, including most modern …, … and …, and most … …

Answer 6

birds, lizards, snakes, eutherian mammals

Question 7

Found that large sections of the vertebrate tree exhibit nearly … … of … and …, providing evidence for the importance of … … in shaping biodiversity

Answer 7

equal rates, origination, extinction, faunal turnover

Question 8

Together, the results reveal living vertebrate biodiversity to be the product of volatile turnover, with … accelerations being responsible for over … of all species. As well as … slowdowns that have produced … …

Answer 8

6, 85%, 3, living fossils (e.g. coelocanth and crocodilians)

Question 9

The background tempo of diversification for large sections of the gnathostome tree of life is characterised by a … … … … but also high … where the death rate is … of the birth rate

Answer 9

low overall net rate, turnover, 99%