Examination of Moist Chamber Cultures

Examination of Moist Chamber Cultures

Date:_________ Names __________________________ Block _____

Plate ID: ____________ Wet Date __________ Source of Bark: ____________

Consider what your specimen looked like when you set up your chamber. What changes can you observe? ( color, etc.) ________________________________________________

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Examine all parts of your specimens carefully using both powers of the microscope. Be extremely careful if you pick up pieces of the bark to look on the underneath side! You do not want to crush anything! Which types of life forms do you think are present? (check all that apply)

lichens __ myxomycetes __ moss __ fungus __ invertebrates __

Record specific observations for each of the above listed life forms that you checked.

LICHENS: How many different types? ______________

How many are crustose? ____ foliose? ____ fruticose? _____

Myxomycetes: Do you see plasmodial tracks? ____ sporangia? _____

Describe and/or draw (use/describe color)

MOSS: How many different types? ________________

FUNGUS: How many different types? ________________

INVERTEBRATES: Look carefully around all of the above "plant-like" organisms for

small invertebrates moving around. Draw and describe any found in the space below and on the back of this page.

Measure the pH of your plate. Record here. ___________ Is this acidic, neutral, or basic? ______________ (Use resources to help you answer this question.)

Have your plate examined by Dr. Keller. Does he confirm the findings that you recorded? Note below what Dr. Keller sees in your plate._________________________________

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