Climax Community

Topics: Ocean, Ecological succession, Aquatic ecology Pages: 3 (851 words) Published: October 30, 2012
1. An area of the forest that experiences very little change in species composition is a climax community/primary succession. Climax community 2. The amount of oxygen in a fish tank is a tolerance zone/limiting factor that affects the number of fish that can live in the tank. Limiting factor 3. Ecological succession/Secondary succession describes the events that take place on a hillside that has experienced a destructive mudslide. Ecological succession 4. Lack of iron in the photic zone of the open ocean restricts the size of the plankton populations. Iron is what kind of factor for marine plankton? C. limiting 5. According to the graph, which letter represents the zone of tolerance for the factor in question? D. D 6. What does the letter “D” in the graph represent? A. zone of tolerance 7. Which letter represents the zone of physiological stress? C. C 8. Which is a place you most likely would find pioneer species growing? D. newly formed volcano 9. Career in Biology A state parks and wildlife department stocks several bodies of water, including rivers and lakes, with rainbow trout. The trout survive, but do not reproduce. In terms of tolerance, discuss what might be happening. They maybe limited by the temperature of the water they live in. 10. Short Answer Describe how the successional stages would differ from primary succession. 11. Open Ended Explain why the concepts of limiting factors and tolerance are important in ecology. They are important because theses factor might help explain why the population of a species is decreasing or increasing. 12. Infer whether species diversity increases or decreases after a fire on a grassland. Explain your response. Increase because after a fire perennial grasses and herb are not eliminated to their underground stem, which means that the wildlife will continue to flourish. 13. Generalize the difference between a successional stage and a climax community. 14. The condition of the...
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