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VCU Biology 152 Exam 2 Review Questions And Answers 100% Pass

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VCU Biology 152 Exam 2 Review Questions And Answers 100% Pass What is the Linnaean Classification (inclusive to specific)? - ANS Domain Kingdom Phylum Class Order Family Genus Species What is a Phylogeny? - ANS Evolutionary Trees / History Define each portion of the phylogenetic tree: Root Branch Point Basal Taxon Sister Taxon Polytomy - ANS Root - Starting point Branch Point - Point where the lineage splits ©EVERLY 2025 ALL RIGHTS RESERVED Basal Taxon - Lineage that does not branch Sister Taxon - Lineage with shared root Polytomy - Lineage greater than 2 with a share root (scientists have not fully comprehended the relationship) Analogous Features - ANS Features with the same function, but different ancestry Homologous Features - ANS Features with the same structure and related ancestry Homoplasy - ANS Analogous structures or molecular sequences that evolved independently Homologies vs Homoplasies - ANS Homology - More complex similar structures Homoplasy - Less complex similar structures The Law of Parsimony (Occam's Razor) - ANS The scientific principle that things are usually connected or behave in the simplest or most economical way, especially with reference to alternative evolutionary pathways. Synapomorphy - ANS Shared derived characteristic Plesiomorphy - ANS Shared ancestral characteristic Which types of phylogenic trees are preferred? - ANS Simple ones because they are the easiest explanation of data

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©EVERLY 2025 ALL RIGHTS RESERVED




VCU Biology 152 Exam 2 Review Questions
And Answers 100% Pass




What is the Linnaean Classification (inclusive to specific)? - ANS Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species



What is a Phylogeny? - ANS Evolutionary Trees / History


Define each portion of the phylogenetic tree:
Root
Branch Point
Basal Taxon
Sister Taxon

Polytomy - ANS Root - Starting point


Branch Point - Point where the lineage splits

, ©EVERLY 2025 ALL RIGHTS RESERVED




Basal Taxon - Lineage that does not branch


Sister Taxon - Lineage with shared root


Polytomy - Lineage greater than 2 with a share root (scientists have not fully comprehended the
relationship)



Analogous Features - ANS Features with the same function, but different ancestry



Homologous Features - ANS Features with the same structure and related ancestry



Homoplasy - ANS Analogous structures or molecular sequences that evolved independently



Homologies vs Homoplasies - ANS Homology - More complex similar structures


Homoplasy - Less complex similar structures



The Law of Parsimony (Occam's Razor) - ANS The scientific principle that things are usually
connected or behave in the simplest or most economical way, especially with reference to
alternative evolutionary pathways.



Synapomorphy - ANS Shared derived characteristic



Plesiomorphy - ANS Shared ancestral characteristic



Which types of phylogenic trees are preferred? - ANS Simple ones because they are the
easiest explanation of data.

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