Exam I - Speciation and Phylogeny

Chapters 1.5 (Tree of Life), 23 (Evolutionary Processes), 24 (Speciation), 25 (Phylogenies and the History of Life)

What process did Darwin and Wallace propose to explain the patterns indicating evolution?

Natural selection

What is speciation?

The result of one species diverging into new species

Who is the Father of Taxonomy?

Carolus Linnaeus

What term refers to to giving organisms a 2-name scientific name?

Binomial Nomenclature

Why are protists and bacteria grouped into different domains?

Protists have a membrane-bounded nucleus, bacteria don’t

Carl Woese and his colleagues built a tree by comparing rRNA ribonucleotide sequences of a variety of living organisms. What novel findings arose from this analysis?

The most fundamental division among organisms is Archaea, Bacteria, and Eukarya

Moden taxonomy attempts to describe the ________, or genealogical relationships, among organisms.

phylogeny

Which part of this visual model represents genetic information?

the sequence T, G, C, and A

What are the causes of evolutionary change? Hint: 4 causes

gene flow, genetic drift, mutation, natural selection

Generation-to-generation change in allele frequencies in a population is ______.

microevolution