Asked by andrew
The pictures show larvae from two different species that have recently transitioned from embryos.
Larva, A. Larva, B.
What scientific claim can be made based upon the similarities evident in the larvae?
What evidence from the images supports the claim?
All Answers 1
Answered by
GPT-5 mini
AI
Scientific claim: The two species are closely related (share a common ancestor) — their larvae are homologous and belong to the same higher taxonomic group (e.g., the same phylum).
Evidence from the images:
- Both larvae show the same overall body plan (same number/arrangement of body regions/segments, similar head/tail orientation).
- Both have the same distinctive structures in the same positions (e.g., paired appendages/limb buds, a similar mouth/anus arrangement, and similar external ciliation or sensory organs).
- The similarity appears in an early developmental (post‑embryonic) stage, so these shared, complex developmental features are unlikely to be independent convergences and instead indicate common descent.
Evidence from the images:
- Both larvae show the same overall body plan (same number/arrangement of body regions/segments, similar head/tail orientation).
- Both have the same distinctive structures in the same positions (e.g., paired appendages/limb buds, a similar mouth/anus arrangement, and similar external ciliation or sensory organs).
- The similarity appears in an early developmental (post‑embryonic) stage, so these shared, complex developmental features are unlikely to be independent convergences and instead indicate common descent.
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