1. Which phrase best defines taxonomy? (Points : 3) 
       the study of the digestive system
       the science of classification
       the process by which a flatworm obtains energy
       a group of archaeans that live in deep-sea trenches

2. In the domain Eukarya, which physical trait is used to classify organisms? (Points : 3) 
       possession of a cell wall
       lack of a cell wall
       cells that do not contain a nucleus
       cells that contain a nucleus

3. An organism new to science was discovered during a recent expedition to the Antarctic. The organism grows in colonies and is made up of eukaryotic cells. In which domain would a scientist place this organism? (Points : 3) 
       Archaea
       Bacteria
       Eukarya
       Planate

4. What is the broadest, most inclusive category of life on earth? (Points : 3) 
       kingdom
       domain
       genus
       order


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6. Plants, people, and flatworms share a common characteristic. Identify that characteristic from the choices below. (Points : 3) 
       They all use cellular respiration to obtain energy.
       They all use photosynthesis to obtain energy.
       They all make their own food.
       They all ingest food.

7. Which organelle would you expect to find in the cells of a tree leaf, but not in a bony fish? (Points : 3) 
       mitochondrion 
       nucleus 
       chloroplast 
       ribosome 

8. Which system is found in a baboon, but not in a flatworm? (Points : 3) 
       a respiratory system
       a digestive system
       a nervous system

9. Which fuel powers all of the activities of cells in all organisms on earth? (Points : 3) 
       glucose
       DNA
       ATP
       protein

10. Humans take in the energy they need to survive through which body part? (Points : 3) 
       stomach 
       skin 
       intestines
       mouth 

11. Do plants break down glucose to obtain energy? (Points : 3) 
       No, they make glucose, but they don’t break it down.
       No, they absorb the sun's energy directly.
       No, they absorb energy from the soil.
       Yes, they make glucose and break it down to produce ATP.

12. Your respiratory system removes which waste product from your body? (Points : 3) 
       urine 
       carbon dioxide
       blood 
       oxygen 

13. Plants produce which of the following as waste products? (Points : 3) 
       oxygen and urine
       carbon dioxide and urine
       carbon dioxide and oxygen
       carbon dioxide and uric acid

14. Waste removal in a flatworm is best described by which of the following statements? (Points : 3) 
       Flatworms have an extensive branched system that removes liquid waste.
       Flatworms store waste in their bodies until they die.
       Flatworms process solid, liquid, and gaseous waste in the same body system.
       Flatworms have no specialized waste removal system.

15. Of the statements below, identify the one that best describes the relationship between plants and oxygen. (Points : 3) 
       Plants produce oxygen during photosynthesis and they also need oxygen from the air for cellular respiration.
       Plants do not need oxygen because they use carbon dioxide in cellular respiration.
       Plants do not need oxygen because they do not undergo cellular respiration.
       Plants do not need any oxygen from the air because they produce it during photosynthesis.

16. If you were a fish, how would you obtain oxygen? (Points : 3) 
       Your body cells would break down water molecules (H2O) and release the oxygen.
       You would take in oxygen gas dissolved in the water through your gills.
       You would inhale oxygen at the surface of the water.
       Oxygen would diffuse across your skin.

17. How does your heart deliver oxygen to your body cells? (Points : 3) 
       The heart pumps air throughout your body, delivering it to the cells.
       The heart takes in oxygen from the air.
       The heart breaks down carbon dioxide into carbon and oxygen.
       The heart pumps oxygenated blood to your body cells.