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Questions in biology
[Free] 1. How can the presence of coal-fired electricity plants affect the ability of lakes to support life? 2. Suppose there has been a sudden growth of algae in a lake in cottage country. (a) Suggest three possible causes for this situation. (b) Explain what could happen in the lake.
[Free] Why does chlorophyll break down in autumn?
[Free] In many cells, what structure controls the cell's activities?
[Free] What is an animal that can seriously injure a lion without fighting?
[Free] How can one organism help control the population of another organism?
[Free] Why do overlapping niches lead to competition?
[Free] The traditional view of mangrove forests as wastelands and unhealthy environments helped promote their degradation because _____
[Free] Which two terms best describe the inheritance of human blood types?
[Free] Which of the following is a good example of a permeable material? A. Plastic B. Leather C. Cotton D. Glass
[Free] What advantage do seeds give a plant?
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