Fossils A and C both have limb-like appendages - VCE - SSCE Biology - Question 16 - 2008 - Paper 1
Question 16
Fossils A and C both have limb-like appendages.
As they had analogous structures then they must have shared very similar
A. DNA sequences.
B. RNA sequences.
C. habi... show full transcript
Worked Solution & Example Answer:Fossils A and C both have limb-like appendages - VCE - SSCE Biology - Question 16 - 2008 - Paper 1
Step 1
A. DNA sequences.
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Answer
DNA sequences are typically associated with homologous structures, which suggest a common ancestry, not analogous structures.
Step 2
B. RNA sequences.
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Similar to DNA, RNA sequences also indicate relationships based on common ancestry and are not relevant in the context of analogous structures.
Step 3
C. habitats.
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Answer
While habitats can influence the development of structures, they do not directly indicate the similarity necessary for this question.
Step 4
D. selection pressures.
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Selection pressures can lead to the development of analogous structures as different species adapt to similar environments, making this option the most appropriate answer.
