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E&D ??

e) What is the difference between homology and analogy? What is the problem with using analogous characters to reconstruct phylogenies?

d) Explain the difference between shared ancestral and shared derived characters. Explain why shared derived characters are the way to understand evolutionary relationships.

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Related questions

Q 1). When reading a Phylogeny which three things areimportant to keep in mind?
Q 2). Why does the part of the tree colored orange not represent aclade? Explain
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Q5). Are bird wings and bat wings, homologies or analogiesexplain?
Q6). What is a phylogenetic classification system?
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1) Which statement does NOT accurately describe Felis catus?

A a large monophyletic group containing many genera of cats
B species name for the domestic cat
C an example of a latinized binomial, the genus is 1st and each species has a unique second word is descriptive and unique to only 1 species in the genus
D an example of a scientific name for a species
E a taxonomic unit of the Linnaean classification system

2) Convergent characters are similar because of _____.

A similar evolutionary forces resulting in similar characteristics in different, unrelated lineages
B homology
C descent from a common ancestor
D analogy

Building phylogenic trees is a powerful approach to modelcurrent hypotheses of the evolutionary relationships of organisms.Most phylogenies are constructed using cladistics. Which statementsbelow apply to cladistics? 1) Homologous characteristics oforganisms are used to infer patterns of relatedness between theorganisms. 2) An outgroup, consisting of a lineage known to havediverged before the lineages beings studied, is used as a referenceof ancestral traits. 3) Parsimony, which involves selecting thehypothesis with the fewest evolutionary steps, is used to choosebetween possible phylogenies. 4) Overall phenotypic similarity isused to group organisms together regardless of their evolutionaryrelationships.

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