11.When assessing evolutionary relationships, one approach is to
focus on derived (modified)characteristics. What is this approach
called?a.taxonomyb.phylogenyc.classificationd.cladisticse.homoplasyANS: dREF: p. 101SOURCE: NEW
12.In grouping organisms together in a cladistic classification, the most important characteristicsare those that
areREF: p. 102SOURCE: PICKUP
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13.A hypothesis regarding ancestor-descendant relationships that
includes a time scale is called aREF: p. 104SOURCE: NEW
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14.Unlike a cladogram, a
phylogenetic treeREF: p. 104SOURCE: NEW
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15.Speciation can occur as a result of all of the following
excepta.geographic isolationb.natural selection acting on populationsc.ecological separationd.lack of differences
in habitatse.limited gene exchangeANS: dREF: pp. 105-106SOURCE: NEW
16.Assigning fossil remains to a particular primate species
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What is the evolutionary process that produces analogous structures called?
Convergent evolution is the independent evolution of similar features in species of different periods or epochs in time. Convergent evolution creates analogous structures that have similar form or function but were not present in the last common ancestor of those groups.
What does the term endothermic refer to?
1 : characterized by or formed with absorption of heat. 2 : warm-blooded.
What are structural similarities between species that are based on common function and not on common evolutionary descent called?
Homologous features
If two or more species share a unique physical feature, such as a complex bone structure or a body plan, they may all have inherited this feature from a common ancestor. Physical features shared due to evolutionary history (a common ancestor) are said to be homologous.
What is the term for traits that reflect specific evolutionary lineages and can be informative?
Term. Ancestral (primitive) Definition. Traits that reflect specific evolutionary lineages and can be informative of evolutionary relationships.