Biology II Lab Exam One

Vorticella, TSAR, Wine-glass shaped, with cilia on mouth to suck in food

Paramecium, TSAR, brown slipper shaped, look for contractile vacuole

Stentor, TSAR, round and slow moving, cilia, “chains” of nuclei.

Euglena, Discoba group, has chloroplasts and eyespot (DON’T confused for Paramecium)

Trypanosome, Discoba, Gram positive, wispy, look for nucleus and mitochondria.

Volvox, Archeaplastid, big circle with smaller circles inside, chloroplasts

Spirogyra, Archeaplastid with green spirals and chloroplasts

Amoeba, Amorphea, with pseudopods, gray sludge

Anabaena, long beads of green circles, Cyanobacteria, note large Heterocyst cells, which fix nitrogen for the bacteria

Oscillatoria, Long green strand of grass, Cyanobacteria

Gloeocapsa, little clusters of circles, clear Cyanobacteria

Gram negative Coccus

Gram positive Bacillus

Gram negative Spirillum (spirilla ALWAYS gram negative)

Gram positive coccus

Male Moss Gametophyte. Note antheridia (sperm) ovals at the top.

Female Moss Gametophyte. Note archegonia

Moss Sporophyte, note Sporangia on either side.

Fern Prothallium, note eggs at top sperm at bottom

Male pine cone, note sporangia (sacs) with pollen spores (little dots)

Female Pine Cone

Fern Gametophyte (Prothallium) with developing Sporophyte

Moss

Gametophyte Dominant, produce spores

Ferns

Sporophyte Dominant, produce spores

Gymnosperms

Sporophyte Dominant, produce “naked seeds” which aren’t surrounded by a fruit.