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Questions in biology

[Open]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.

[Open]Why does chlorophyll break down in autumn?

[Open]In many cells, what structure controls the cell's activities?

[Open]What is an animal that can seriously injure a lion without fighting?

[Open]How can one organism help control the population of another organism?

[Open]Why do overlapping niches lead to competition?

[Open]The traditional view of mangrove forests as wastelands and unhealthy environments helped promote their degradation because _____

[Open]Which two terms best describe the inheritance of human blood types?

[Open]Which of the following is a good example of a permeable material? A. Plastic B. Leather C. Cotton D. Glass

[Open]What advantage do seeds give a plant?