Sites like InternetUrok provide video lessons and summaries that can help you derive the answers yourself if a direct key isn't available for a specific newer lab. Typical Lab Themes in this Workbook
Complete the lab exercises on your own first, then use the GDZ search on platforms like Obozrevatel to verify your results and drawings.
Structure and vital activity of Protozoa, Coelenterates, and various worm species.
