25. Based on the age structure diagram (on right), this population appears to be

Question

25. Based on the age structure diagram (on right), this population appears to be Male Female A. Stable B. Growing C. Declining 8 6 42 0 2 46 8 Percent of population 26. Which of the following plant strategies described by Grime temperate deciduous forest? do you think would be most prevalent an old growth, A. Ruderal B. Competitive C. Stress-tolerant D. Dominant 27. Assuming that their average population growth rates and all other factors are equal, which of the following populations would most likely be at risk for extinction? a. A small population with high variation in its growth rate b. A small population with low variation in its growth rate c. A large population with low variation in its growth rate d. A large population with high variation in its growth rate

Explanation / Answer

Answer

25) This population is stable as no of males and females at every stage is same. For growing population, number of males and females at young age will be high. For declining population, no of older age individuals will be high.

26) Dominant

27) small population with low variation in its growth rate. If they have low variation in its growth rate, then they have chance to extinct at same time

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