Paper 1: Morris's Challenge
What specific type of scientist is Morris?
paleontologist, evolutionary biologist, and/or astrobiologist
What specific type of scientist is Gould?
paleontologist, evolutionary biologist, and/or historian of science
What group was being argued as the potential sister group to Ctenophores?
Porifera
Did Morris advocate more strongly for contingency or convergence?
convergence
Did Morris advocate more strongly for contingency or convergence?
contingency
How many different metazoan phylogenies were tested as hypotheses?
6
What mistake(s) do(es) Morris admit to making in his past classifications of Burgess shale?
overestimation of diversity due to fragmented organisms
What is one specific statement made by Morris that Gould counters in his response?
overestimating diversity, examples of phyla being closely connected, convergence explaining life history
What 2 types of specialized cells were looked at in detail in this study?
mesodermal cells, nerve cells
How did Morris challenge Gould's claim of exceptions to orthodox evolution?
Providing examples of orthodox evolution (using other papers as more recent evidence)
What is Gould's view on "personal credo" in science?
it is important! ; valuable in combination with external data
Why was Mnemiopsis Leidyi selected as the organism/Ctenophore to be studied?
based on prior knowledge of the organism; notably small genome