1. Evolution of Plants; p. 2; moderate; ans: T Proteinoid microspheres provide evidence that organic molecules in water can aggregate into cell-like structures 2. Evolution of Plants; p. 3; moderat... e; ans: F The first cell-like structures were able to use inorganic (organic) compounds as a source of energy. 3. Evolution of Plants; p. 3; easy; ans: F Most likely, autotrophs (heterotrophs) evolved before heterotrophs (autotrophs). 4. Evolution of Plants; p. 4; easy; ans: T According to the fossil record, the appearance of photosynthetic organisms was associated with an increase in free oxygen in the atmosphere. 5. Evolution of Plants; pp. 4–5; moderate; ans: T The increase in atmospheric oxygen enabled organisms to obtain more energy from organic molecules by breaking them down via respiration. 6. Evolution of Plants; p. 5; easy; ans: F Eukaryotic (Prokaryotic) cells evolved before prokaryotic (eukaryotic) cells. 7. Evolution of Plants; p. 5; easy; ans: T Archaeans are a group of prokaryotes. 8. Evolution of Plants; p. 5; moderate; ans: F Carbon dioxide (Essential minerals) is the limiting factor for plant growth in the seas. 9. Evolution of Plants; p. 5; moderate; ans: T As multicellular organisms evolved in coastal environments, food-conducting tissues developed to connect photosynthesizing and nonphotosynthesizing body parts. 10. Evolution of Plants; p. 6; moderate; ans: T In plants, water moves in a continuous stream from roots to stems to leaves. 11. Evolution of Plants; p. 6; moderate; ans: F Stomata are specialized guard (epidermal) cells in the epidermis of leaves. 12. Evolution of Plants; p. 6; easy; ans: T Plants that contain xylem and phloem are called vascular plants. 13. Evolution of Plants; p. 6; easy; ans: F Primary (Secondary) growth results in a thickening of the stem and root. 14. Evolution of Plants; p. 6; difficult; ans: T [Show More]
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