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LouisianaBiologyQuick questions
LS4: Biological Evolution (Unity and Diversity)
Quick questions on The evidence for common ancestry - Louisiana LEAP 2025 Biology LS4
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is embryology?Show answer
related species often look very similar in their early development, sharing features in the embryo that point to common ancestry.
What is q1?Show answer
State what homologous structures are and what they provide evidence for. [2]
What is q2?Show answer
Explain how comparing DNA sequences shows how closely two species are related. [2]
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