Final Exam Notes part 1
What is natural selection?
A process of selection that is driven by the survival (fitness) and fecundity of
members of a species.
What is sexual selection?
A process of selection that is driven by mating and reproductive success; t
Final Exam Notes part 3
What are examples of abiotic pollination?
Describe the pollination syndrome of wind pollinated plants.
Typically small flowers that lack petals, extended (pendant) anthers &
stigmas; high pollen p
Midterm Exam Notes part 1
How do natural selection and sexual selection differ?
Natural selection operates on the basis of an individual's fecundity and
survival rates, while sexual selection operates on the basis of an individual's
reproductive success (
Final Exam Notes part 2
What are the three mechanisms of horizontal gene transfer?
Conjugation, transformation, and transduction.
What is conjugation?
Bacteria directly transfer genetic material using plasmids to other bacteria
via conjugation tubes.
Midterm Exam Notes part 2
What was George Stebbins' view on pollinator-plant evolutionary
While a flower might be visited by over 50 species, the most effective
pollinator is what actually drives the flower's evolution.
How does coevolution
Practical Exam part 1
What is vertebrate morphology?
The branch in biology pertaining to the form and structure of vertebrates.
What aspects are vertebrate morphology concerned with?
Form, structure, function.
The animal/machine analogy
Bones: metal frame
Anthropoids Part 1
What clade do the arthropods belong to?
The sister taxon to the lophotrocozoans from lab 4, the ecdysozoans.
What are the defining characteristics of the ecdysozoans?
The name is derived from the Greek ekdysis, 'the act of getting out'.
Anthropoids Part 2
What are the functions of the pleopods?
The swimmerettes function in gas exchange by creating water currents over
the gills. Certain pairs also possess sexual functions.
What are the functions of the uropods?
They function with the tels
Practical Exam part 3
What are the oligochaeta?
A clade of freshwater and terrestrial annelids, characterized by having few
setae. (earthworms) They are all hermaphroditic.
What are the hirudinea?
Leeches. They completely lack setae, and the septae are in
Practical Exam part 2
Why do bird skulls lack teeth?
Likely an early adaptation to lose weight.
What are raptors?
Birds of prey. Divided into diurnals (eagles, hawks, falcons.) and
nocturnals (owls). Large, sharp talons are characteristic of raptors; they