Multiple Choice
Homology and homoplasy can both result in similar traits in different organisms. What is the key difference between these two concepts?
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1. Introduction to Biology
Natural Selection and Evolution
Multiple Choice
Which of the following is a limitation of using food webs to represent ecological reality?
A
Food webs always accurately depict the exact number of individuals in each population.
B
Food webs often oversimplify complex interactions by not accounting for factors like seasonal changes or organism behavior.
C
Food webs show the genetic variation within each species.
D
Food webs can predict the evolutionary future of all species involved.
Verified step by step guidance1
Step 1: Understand the concept of a food web. A food web is a graphical representation of feeding relationships within an ecosystem, showing how energy and nutrients flow between organisms. It is a simplified model used to study ecological interactions.
Step 2: Analyze the limitations of food webs. Food webs often oversimplify complex ecological interactions. For example, they may not account for seasonal changes, behavioral adaptations, or indirect effects between species.
Step 3: Evaluate the options provided in the problem. Consider whether food webs can accurately depict the number of individuals, genetic variation, or predict evolutionary outcomes. These are not typically features of food webs.
Step 4: Focus on the correct limitation mentioned in the problem. Food webs often fail to capture dynamic factors like seasonal changes or organism behavior, which are crucial for understanding real-world ecological systems.
Step 5: Conclude that the correct limitation is that food webs oversimplify complex interactions by not accounting for factors like seasonal changes or organism behavior, as stated in the problem.
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