Your back will be covered when you use this presentation to introduce beginning biologists to phylum chordata, the vertebrates. Five classes are defined: fish, amphibians, reptiles, birds, and mammals throughout the eight vibrant slides....

Who actually likes leeches? Meet a scientist that makes his living letting leeches feed on him. Pupils learn about the characteristics of leeches and different variations of the species. The lesson works as a remote learning resource or...

In this mammals worksheet, students click on the links in the questions about mammals to find the answers to the questions and then come back and answer the questions. Students answer 8 questions total.