Old Material
Release of cross-bridges depends most directly on
A. calcium ions B. potassium ions C. ADP D. ATP
d. ATP
A group of interbreeding individuals occupying the same habitat at the same time is a(n)
A. species B. guild C. population D. community
c. population
What is an example of a +/- interaction?
A. competition B. mutualism C. commensalism D. predation
D. predation
How do primary producers provide energy for the food chain?
A. break down organic molecules
B. make organic molecules via photo/chemosynthesis
C. receive energy from consumers
D. pass organic substances from primary consumers
B. make organic molecules via photo/chemosynthesis
What is your Peer Leader's track?
a. Pre Med. b. Pre Dental. c. Pre OT. d. Pre PA
d. Pre PA
The force driving simple diffusion is _____ while the energy source for active transport is _____.
A) the concentration gradient; ADP
B) the concentration gradient; ATP
C) transmembrane pumps; electron transport
D) phosphorylated protein carriers; ATP
b. the concentration gradient, ATP
Many species of birds form large flocks. What dispersion pattern describes this behavior?
A. random B. uniform C. social D. clumped
D. clumped
In competition between P. caudatum and P. bursaria, neither species goes extinct because they utilize different resources. This is evidence for
A. character displacement B. coexistence hypothesis
C. competitive exclusion principle D. resource partitioning
D. resource partitioning
Movement of chemicals through ecosystems is
A. gross primary production
B. biogeochemical cycling
C. community ecology
D. net primary production
B. biogeochemical cycling
Which is not a category covered in LC this semester?
a. PPAC Visit
b. Mental wellness
c. Healthy eating
d. Public speaking
a. PPAC Visit
Which of the following cells release histamines upon damage?
A) Mast cells B) Basophils
C) Macrophages D) Monocytes
a. Mast cells
Population growth typically slows down when populations reach carrying capacity because
A. resource limitation decreases birth rates
B. abundant resources reduce competition
C. density-independent mortality increases
D. predation pressure is reduced
A. resource limitation decreases birth rates
Butterfly species mimicking monarch coloration are an example of
A. Müllerian mimicry B. Batesian mimicry C. crypsis D. aposematic coloration
B. Batesian mimicry
Invasive species occur when they
A. compete without range expansion
B. move between climates
C. outcompete natives and expand
D. harm humans
C. outcompete natives and expand
How many days of LC (including Mondays and Wednesdays) did we have this semester?
a. 24 b. 26 c. 28 d. 30
26
In the vertebrate nephron antidiuretic hormone (ADH) acts primarily in the
A. Loop of Henle B. Proximal convoluted tubule
C. Glomerulus D. Collection duct
D. Collection duct
Organisms that produce all of their offspring in a single event are
A. always successful
B. never successful
C. continuously iteroparous
D. semelparous
D. semelparous
The intermediate-disturbance hypothesis predicts highest diversity with
A. both r- and K-selected species
B. high evapotranspiration
C. mostly K-selected species
D. mostly r-selected species
The phosphorous and carbon cycles are substantially different in that
A. humans have greatly affected the carbon cycle only.
B. phosphorus, unlike carbon, is not essential for life and does not stay in organisms for long.
C. carbon, unlike phosphorus, exists in rocks only in small quantities.
D. unlike the carbon cycle, very little of the phosphorus cycle involves the atmosphere.
D. unlike the carbon cycle, very little of the phosphorous cycle involves the atmosphere
How many students did we have in our LC last semester?
22
What is the physiological basis for the auditory system’s ability to distinguish different sound frequencies?
a. The three bones of the middle ear respond differentially.
b. The loops of the semicircular canals respond differentially.
c. Different sections of the basilar membrane respond differentially.
d. Individual hair cells have different peak frequency responses.
c. Different sections of the basilar membrane respond differentially.
A survivorship curve in which most individuals die late in life is a type _______ curve.
A. IV B. III C. II D. I
D. I
Alders with nitrogen-fixing bacteria play a key role in
A. species extinction B. primary succession C. inhibition D. secondary succession
B. primary succession
Iron increasing marsh productivity means iron is
A. precursor to calcium
B. stimulates evapotranspiration
C. biomagnifies
D. a limiting factor
D. a limiting factor
How many students had 0 attendance points for the semester?
b. 1
Bonus point: Who was it?