Biology

B I O L O G Y* _{* You know you love it.}

Click here for a copy of the semester exam practice questions.
These are the same questions you received earlier in December.

Click here for a copy of the answers to the semester exam practice questions. Please do not print a hard copy of these pages at school.

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Click here for a biology "Visual Vocabulary".

Click here for a virtual Scanning Electron Microscope site.
Click here for an animation of the light-dependent reactions

Students produced chromatograms using pigment which they applied to chromatography paper by rolling a coin over a fresh spinach leaf. These chromatograms show chlorophyll b at the bottom, followed by chlorophyll a, xanthophylls, and carotenes.

Just looking around for something interesting?
Try this website for streaming video of all kinds of fascinating subjects. Choose the "Pond Life" section to see video clips of protozoa, algae, and small aquatic animals.
http://micro.magnet.fsu.edu/moviegallery/index.html

Click other choices in the menu bar to try out virtual electron microscopes and to see other images. Caution: this site can trap you for a long time! Are you procrastinating on your homework?

Note to my students: let me know if you try this site. Email me about something you found on it.

When it comes to fall color ...

no light ... equals ...

no red.

Osmosis lab: percent weight change in hypo-, hyper-, isotonic solutions.		Follow this link to "Control of the Cell Cycle" game.
Actinophrys, a common freshwater protozoan that feeds on bacteria, algae, and other protozoa.	Fission in protozoa: asexual reproduction yielding two genetically identical offspring.		Paramecium and Stentor represent the ciliates

An Amoeba displays
its pseudopodia.
Looks a bit like a
giraffe, doesn't it?

This series of photos shows the Amoeba's progress as it moves to the left.
All the protist photos were taken using a Sony Mavica and shooting
directly through the microscope with no additional attachments.
The camera was set to the widest angle, flash off, and focus closeup.