Multiple Choice
Based on the data in the table, which of the following lizard species are most closely related?
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1. Introduction to Biology
Introduction to Taxonomy
Multiple Choice
To determine how closely related organisms are, scientists consider all of the following except:
A
Genetic sequences
B
Morphological characteristics
C
Geographic distance between populations
D
Ecological roles
Verified step by step guidance1
Step 1: Understand the concept of determining relatedness among organisms. Scientists use various methods to assess how closely related organisms are, focusing on genetic, morphological, and ecological factors.
Step 2: Recognize that genetic sequences are a primary tool for determining relatedness. DNA and RNA comparisons provide insights into evolutionary relationships.
Step 3: Note that morphological characteristics, such as physical traits and structures, are also used to infer relationships, especially in cases where genetic data may be unavailable.
Step 4: Understand that ecological roles, which describe how organisms interact with their environment, can provide additional context but are not the primary method for determining relatedness.
Step 5: Clarify that geographic distance between populations is not a reliable indicator of relatedness, as organisms can be genetically similar despite being geographically distant due to factors like migration or historical connections.
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