AP Bio Chapter 26

Created by waligoran96 

Upgrade to
remove ads

17 terms

What is systematics? How is it used to develop phylogenetic trees?

a discipline focused on classifying organisms and determining their evolutionary relationships - use data ranging from fossils and molecules to infer

What is taxonomy?

a scientific discipline concerned with naming and classifying the diverse forms of life

What is your binomial and what does it mean?

Homo-sapiens and wiseman

What are 2 components of every binomial?

genus and species

K.P.C.O.F.G.S

kingdom, phylum, class, order, family, genus, and species

Which are more closely related, organisms in the phylum or those in the same order?

same order

Homology

shared ancestry

Analogy

convergent evolution

What is a clade?

a group of species that includes an ancestral species and it's all descendants

Monophyletic

consists of an ancestral species and all descendents

Paraphyletic

an ancestral species and some, not all descendents

Polyphyletic

includes taxa with differnt ancestors

What are derived characters?

a character that originated in an ancestor of the taxon

Which method reveals that fingi are more closely related to animals than to green plants?

rRNA sequences

Which method reveals that the Pima of Arizona and Yanomami of Venezuela are descendents of the same N.A. that crossed the Bering Land Bridge 13,000 years ago?

mtDNA sequences

Molecular clocks

a yardstick for measuring the absolute timee of change based on observations

If we use a molecular clock, approx. when did HIV emerge?

1930's

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set