Biology Midterm Review

1. What are the steps to the scientific method? Why use large numbers of trials?

2. Vocabulary

Hypothesis ______

Control______

Independent variable ______

Dependant variable ______

Conclusion ______

3. What are the characteristics of living things?

4. Vocabulary

Metabolism ______

Homeostasis ______

Nutrition ______

Transport, Passive (osmosis, diffusion {this calls for concentration}) ______

______

Transport Active (use ATP)

Autotrophic nutrition and the formula for photosynthesis:

Heterotrophic

5. Cellular respiration: Aerobic

Anaerobic: Lactic acid

Anaerobic Fermentation

6. Cells are like factories with organelles each having specialized jobs name the organelles and their jobs.

Control
Mitochondria / Formula
Transport inside the cell
Lysosome
Cell membrane
Made of cellulose support some types of cells (not animal cells
Chloroplast / Formula
Storage

7. Cell theory made three important statements.

Organelles > Cells > Tissues > Organs > Organ Systems > Organisms

8. Living things do a special kind of chemistry: ______

What a compound an ______Compound? ______

Compound group / Monomer / Polymer / Examples/ function
Carbohydrates
3 fatty acids
1 glycerol
Hair, skin,
Enzymes
Store information

9. Enzymes are Key to chemical processes Why?

What are three things that affect enzymes? ______

10. What really is the point of the digestive system? ______

List the parts and their functions here

11. Take a deep breath… Now what is the point of the respiratory system ?

______

List parts and function

12. The circulatory system really gets around. But it seems to be moving in circles, why bother? ______

13. Talk about exchange in the alveoli ______

______

14. What happens in the Capillaries ? ______

15. What is “immune response” and how does it work? ______

16. Urine for just a few more questions! What is the point of the excretory system?

______

Use the words nephron, kidney, ureters, urinary bladder and urethra in a sentence.

17. Why do we have all these complex systems? An amoeba lives just fine without them?

18. Lets move on to locomotion! What two systems help us move? ______

Involuntary muscle ______

Voluntary muscle ______

19. I almost forgot something. What scientific tool would you use when looking at my bank account…. That’s right a microscope… It helps us to see things that are very small.

What would the letter Q look like under a microscope? (draw Q in Circle below)

If you move the slide down and left what would happen to the Q you see? (draw arrows)