Taxonomy and Phylogeny Flashcards

1
Q

What are some problems with phylogenetic analysis in the past?

A

Evolutionary relationships were not achieved through rigorous scientific analysis
too much reliance on stratigraphic distribution of fossils (what layers of rock they were found in)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How are taxa grouped in cladistics?

A

Taxa that share many derived characters are grouped closer together than those who are not.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the dinosaur taxonomic relationships?

A
  • Synapsids (lower temporal opening)
  • Anapsids (fully roofed temporal region)
  • Diapsids (upper temporal and lower temporal opening
How well did you know this?
1
Not at all
2
3
4
5
Perfectly