Using Inquiry and Tree-Thinking to “March Through the Animal Phyla”: Teaching Introductory Comparative Biology in an Evolutionary Context

Table 1 Laboratory organisms studied in the Comparative Biology stream

Scientific name	Common name	Phylum	Live/preserved	Engagement	Phylogenetic comparison
Scypha sp.	Sponge	Porifera	Preserved specimen; prepared slides	X	X
Gonionemus sp.	Gonionemus	Cnidaria	Preserved specimen	X
Hydra sp.	Hydra	Cnidaria	Live specimen	X	X
Hexagonaria percarinata	Petoskey stone	Cnidara	Fossil	X
Dugesia tigrina	Planarian	Platyhelminthes	Live specimen; prepared slides	X	X
Dipylidium caninum	Dog tapeworm	Platyhelminthes	Preserved specimen	X
Ascaris lumbricoides	Roundworm	Nematoda	Preserved specimen for dissection; prepared slides	X	X
Nereis succinea	Clamworm	Annelida	Preserved specimen	X
Lumbricus terrestris	Earthworm	Annelida	Live specimen; preserved specimen for dissection	X	X
Romalea sp.	Grasshopper	Arthropoda	Preserved specimen for dissection	X	X
Gromphadorhina portentosa	Hissing cockroach	Arthropoda	Live specimen	X
Cambarus sp.	Crayfish	Arthropoda	Preserved specimen for dissection		X
Anodonta sp.	Freshwater mussel	Mollusca	Preserved specimen for dissection	X	X
Loligo pealei	Squid	Mollusca	Preserved specimen	X
Pisaster sp.	Sea star	Echinodermata	Live specimen; Preserved specimen	X	X
Eupentacta sp. (?)	Sea cucumber	Echinodermata	Live specimen	X
Strongylocentrotus sp.	Sea urchin	Echinodermata	Live specimen	X
Branchiostoma sp.	Lancelet	Chordata	Preserved specimen; whole mount	X	X
Rattus rattus	Rat	Chordata	Preserved specimen	X

Also indicated is whether the organism was used as a live or prepared specimen and whether or not it was used in the engagement exercise (week one) and/or the phylogenetic comparison (weeks two to four)

ISSN: 1936-6434