ALGAE LAB (Virtual)
Introduction: Students used class time to observe specimens of algae. This lab uses an internet gallery instead of real specimens. Access the Gallery at Flickr: Algae Lab Gallery. You can also find the gallery under biologycorner.com 's photostream (do a flickr search).
As you look at the images and read the descriptions answer the following questions. You can print this page or answer on notebook paper to turn in later.
Introduction photos: Algas Verdes, Algae Bloom, Diatom
1. Algae belong to what Kingdom?
___________________________
2. What are the three types of multicellular algae? _________________________________
3. Are algae autotrophs or heterotrophs? _______________________________
4. What organelle allows plants (and plantlike protists) to photosynthesize?
________________
Photo: Live Euglena at 200x
5. What is the function of the eyespot? _______________________
6. How many euglena are visible on the slide at 200x? __________
7.
Where do euglena live? ___________________
Photo: Live Euglena Moving
8. Why are the euglena different shapes? _________________________
Photo: Euglena at 400x
9. Draw a euglena and label the chloroplasts and the flagellum:
Video: Flagella
10. Watch as the euglena swims. Describe how it uses its flagellum to move. Does the flagellum push or pull the euglena?
Photo: LA ESPIRAL VERDE DE SPIROGYRA
11. How did the spirogyra get its name? _______________________________________
12. How many cells are visible in this photo? ________
Photo: Spirogyra seep PtReyes
13. Using the micrometer scale, approximately how long is the filament pictured? ________
Use the same scale to estimate the length of a single cell within the filamen: ________
Photo: Volvox
14. How many invidivual cells are pictured on this photo? _____
Video: Volvox
15. Describe how the volvox move: _________________________________________________________
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.