Multiple Choice
Which of the following choices is an expression of a population density?
50. Population Ecology
Introduction to Population Ecology
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Pine trees in a forest tend to shade and kill pine seedlings that sprout nearby. This causes the pine trees to __________.
A
increase exponentially
B
grow in a clumped pattern
C
exceed their carrying capacity
D
grow in a random pattern
E
grow in a uniform pattern
Verified step by step guidance1
Understand the concept of plant competition: Pine trees compete for resources such as sunlight, water, and nutrients. When mature trees shade seedlings, it affects their growth and survival.
Recognize the pattern of growth: In a forest, if seedlings are shaded and killed by nearby mature trees, it prevents them from growing too close to each other.
Identify the growth pattern: This competition leads to a more even distribution of trees, as seedlings that are too close to mature trees are less likely to survive.
Differentiate between growth patterns: A clumped pattern would mean trees grow in groups, a random pattern would mean no specific distribution, and a uniform pattern means evenly spaced.
Conclude the correct pattern: Given the competition and shading effect, pine trees tend to grow in a uniform pattern to maximize resource availability and minimize competition.
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