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- 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.
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