On a phylogenetic tree, the longer the branch, the longer the length of time that occurred before the next split in groups.
- True
- False
False
Scientists create clades by using:
- monophyletic groupings
- homologous traits
- analogous traits
- vestigial traits
homologous traits
Which is true about unrooted taxonomic trees?
- They diverge from a single point and branch off
- They show a common ancestor
- They show a single lineage that connects organisms
- They show a relationship between species
They show a relationship between species
Which phylogenetic models incorporates the possibilities of horizontal gene transfer?
- Linnaean taxonomy
- Web of Life
- Ring of Life
- Tree of Life
- Web of Life
- Ring of Life
A branch with more than two lineages is called a
- branch point
- polytomy
- sister taxa
- basal taxon
polytomy
Eukaryotic cells may have evolved in all the following ways except:
- Eukaryote-first hypothesis
- Mitochondria and Nucleus-first hypothesis
- Nucleus-first hypothesis
- Mitochondria-first hypothesis
Mitochondria and Nucleus-first hypothesis
Maximum parsimony is used to
- decipher mutations in DNA codes
- determine most likely phylogenies
- eliminate analogous traits
- locate homoplasies
determine most likely phylogenies
Transposons are most closed associated with
- jumping genes
- viral infections
- transformation
- conjugation
jumping genes
Phylogenetic relationships do not show how organisms are similar or different, but do provide information on shared ancestry.
- True
- False
True
Some species are more "evolved" than other species since they have longer evolutionary histories than others.
- True
- False
False
- HGT accomplished using a bacteriophage or virus is termed:
- transformation
- transposition
- transduction
- conjugation
transduction
Dichotomous keys are typically used when classifying organisms using:
- cladistics
- Linnaean taxonomy
- systematics
- phylogenetics
phylogenetics
WRONG?
Classifying organisms into a system with increasingly inclusive groups is called
- cladistics
- phylogenetics
- systematics
- taxonomy
taxonomy
Horizonal or lateral gene transfer only occurs in prokaryotic organisms.
- True
- False
False
Convergent evolution is associated with homologous characteristics.
- True
- False
False
Which of the following is the most inclusive grouping?
- subspecies
- phylum
- class
- family
phylum
WRONG?
A shared derived character describes a characteristic on a phylogenetic tree that all organisms on the tree share
- True
- False
False
WRONG?
One of numbers 11-17 are wrong but I don't know which one. The submitted quiz would not tell me.
...