Lab: Microorganisms

Question 0

Didinium

Answer 0

Protozoa
Fast moving cannibals feeding on paramecium
Trichocyst “nose” strikes paramecium prey and sucks in whole
Encircled by two ciliary bands that beat to move
Reproduce asexually or sexually via conjugation

Question 1

Amoeba

Answer 1

Protozoa
Reproduces asexually via mitosis
Do not possess a definite shape
Move via pseudopodia
Obtain food via phagocytosis

Question 2

Synura

Answer 2

Algae
Flagellated unicellular photosynthetic golden algae
Freshwater algae forms swimming colonies of many cells joined together into a cluster
Can form protective scales out of silica

Question 3

Chlamydomonas

Answer 3

Algae
Flagellated unicellular photosynthetic green algae
Move via flagella
Have ion channels activated by light

Question 4

Chara

Answer 4

Algae
Multicellular filamentous photosynethic green algae
Resemble land plants due to stem-like and leaf-like structures
Complex branching system

Question 5

Spirogyra

Answer 5

Algae
Unicellular filamentous photosynethic algae
Chloroplasts are twisted into spirals
Typically only found in freshwaters

Question 6

Oscillatoria

Answer 6

Cyanobacteria
Have chloroplasts and release O2 
Contain peptidoglycan cell walls
Filamentous and move via oscillation
Reproduces via asexual fragmentation

Question 7

Penicillium

Answer 7

Mold
Asexual phialospores- asexual reproductive spores produced from a vase-shaped cell on a hyphae
Naturally produces penicillin

Question 8

Aspergillus

Answer 8

Mold
Can be a human pathogen
Black mold
Used in fermentation of sake

Question 9

Saccharomyces

Answer 9

Yeast
Unicellular fungus that is capable of budding
Eukaryotic model organism
Used in fermentation of bread, beer, etc
Reproduces by budding