Curated OER
Invertebrate Diversity
Comparative anatomy prevails in the lesson exploring diversity among invertebrates. Biologists examine physical characteristics of an earthworm from phylum annelida and a meal worm from phylum insecta. They also inspect a cricket and a...
Curated OER
Phylum Chordata
All major groups of vertebrates are summarized here with the characteristics of each explained. Other subphyla of chordates are listed: cephalochordata, urochordata, monotremata, marsupialia. The details are relevant but are not linked...
Curated OER
The Chordates
Students study the characteristics of organisms that are a part of the phylum Chordata. In this organisms lesson students identify mammals that are native to Saskatchewan.