Science Cells and Microorganisms Study Guide Answers
1. Microorganism
2. Mold
3. Organ system
4. Bacteria
5. Tissue
6. Organ
7. Cell
8. Protitsts
9. Microorganisms help us in many ways…bacteria in yogurt, yeast in bread,
working in our digestive system, killing bacteria, etc.
10.Microorganisms are harmful when they make us sick, or cause red tides,
etc.
11.Nucleus is inside the cell and it directs the cell’s activities.
12.Cell wall, chloroplasts, (vacuole size/# possible answer)
13.Bones or blood
14.Mitochondria: releases energy from nutrients Cytoplasm: jellylike
substance containing chemicals that help the cell stay healthy Cell
Membrane: holds cell together, separates cell from its surroundings
15.False
16.False
17.False
18.True