1. FIRST ASSIGNMENT: Clear desks completely.
CHAPTER 18 TEST: CLASSIFICATION
Bonus: Write a Valentine’s Day OR Biology joke on the back page to earn 1 point!

2. Happy Valentine’s Day

3. When you finish the test…
Place Test in the “IN” box.
Take three M&Ms, and observe them (before you eat!) to answer the question in your binders:
HOW IS A PROKARYOTIC CELL LIKE A PLAIN M&M?

4. Chapter 24: Bacteria GOAL #1: Bacteria- microscopic prokaryotes
How small is small?

5. GOAL #2: Four methods used to classify bacteria
Structure
Function (physiology)
Molecular composition (RNA)
Reaction to different types of stains

6. GOAL #3: Compare Archaebacteria and Eubacteria

7. GOAL #4: Eubacteria shapes and groupings
Sphere – coccus (cocci)
Rod- bacillus (bacilli)
Spiral- spirillum (spirilla)

8. GOAL #4: Bacterial groupings
Chains- strepto-
Clusters- staphylo-

9. GOAL #5: Cyanobacteria
Produce oxygen as a waste product of photosynthesis.
This allowed for the development of oxygen-breathing organisms.

10. Happy Valentine’s Day:
Jokes
Hearts and Buckets