Phylogeny is like what? - ANSWERSA family tree. Everyone has parents and they too have parents
What is phylogeny? - ANSWERSThe evolutionary history of a species or group of related species
Basic Law of Biology to lead to phylogeny - ANSWERSEvery living thing came from some parental genetic ma...
Evolution Exam 1 Okstate Questions &
Answers
Phylogeny is like what? - ANSWERSA family tree. Everyone has parents and they too
have parents
What is phylogeny? - ANSWERSThe evolutionary history of a species or group of
related species
Basic Law of Biology to lead to phylogeny - ANSWERSEvery living thing came from
some parental genetic material. And those living things are MODIFIED descendants of
their parents genetic material.
What makes us not copies of our parents? - ANSWERSMutations and no clone
chromosomes
What is the most closely related? - ANSWERSPrimates and rodents OR Birds and
Reptiles
Which is the most ancient evolved organism? - ANSWERSHagfish
Phylogeny depict the evolutionary history of a group of organisms based on
___________________ not __________________________ - ANSWERSancestry;
similarity
Species or lineage in general and connects to the nodes - ANSWERSBranch
Point where two branches split - ANSWERSNode
How many branches and nodes are in this model? - ANSWERS7;7
extant species - ANSWERSspecies living today
extinct species - ANSWERSa species that has died out and no individuals are left.
polytomy - ANSWERSNodes where relationships are uncertain
Why are these two labeled polytomy like that? - ANSWERSThey do not have enough
evidence and could be due to rapid diversification
terminal unit - ANSWERSTypes of things that are being groups (species, families,
letters, phyla etc). Showed relatedness.
, monophyletic - ANSWERSALL descendants came from one common ancestor
polyphyletic - ANSWERSincludes taxa with different ancestors
paraphyletic - ANSWERSPertaining to a group of taxa that consists of a common
ancestor and some, but not all, of its descendants.
Evolution - ANSWERSChange in properties of groups of organisms over generations.
The great chain of being - ANSWERSEuropean idea that every species was a link on a
chain extending from lowest forms to humans and on to spiritual beings. All links and
been designed at the same time during creation and would never change. Once all the
links were discovered and described, the meaning of life would be revealed.
Lamark - ANSWERSbefore Darwin - use and disuse (parts that are used become bigger
and stronger while other parts deteriorate) and inheritance of acquired characteristics
(organism can pass on "modifications" to its offspring
Linnaeus - ANSWERSSwedish botanist who proposed the modern system of biological
nomenclature (1707-1778)
Taxonomy - ANSWERSThe scientific study of how living things are classified
Example of a paraphyletic - ANSWERSBirds with Reptiles
How do we estimate phylogeny? - ANSWERSUsing molecular data. (Molecular Clocks)
Parisomy
Maximum Likelihood
example of polyphyletic group - ANSWERSBats and Birds
character - ANSWERSa feature of an organism that can be described, usually one that
varies among species
Bone, hair, color are examples of these - ANSWERSCharacters
States - ANSWERSdifferent forms of the variable feature.
DNA sequence, number of legs, number of teeth are example of - ANSWERScharacter
state
Homology - ANSWERSsimilarity feature among species caused by common ancestry of
those species.
Bat wings and bird wings are not strictly homologous but bat winds and dolphin flippers
are. This is example of.... - ANSWERSHomology
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Bestgrades2. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
