today is friday (!), october 9 th, 2015 pre-class: today we are reviewing. have your questions...
TRANSCRIPT
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Today is Friday (!),October 9th, 2015
Pre-Class:Today we are reviewing.
Have your questions ready!
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Today’s Agenda
• Review• Review• Currency?• Review
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Review Game Rules
• I will ask a question to the class.• Each participant (that’s you) writes down the
answer silently.– Not each group…each individual.
• After a few moments, I will say, “Compare answers.”
• Each of you will look at what the other wrote.
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Review Game Rules
• Did you each get the right answer?– 2 points.
• Did one of you get the right answer?– 1 point.
• Neither of you?– For shame. 0 points.– And eternal guilt.
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Review Game Rules
• The List of Do Nots:– Do not talk to each other, make noises, gesture,
give answers (my discretion here) between when the question has been read and when I say, “Compare answers.”• Doing so will result in a disqualification for that round.
Don’t believe me? Try it.
– Do not fall asleep when I’m getting scores.• If you’re not paying attention, I’m not giving you points.
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Review Question 1
• Growling between two dogs is an example of what?– Agonistic behavior.
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Review Question 2
• Make two logical pairs out of the following four terms:
1. Density-dependent2. Density-independent3. Biotic4. Abiotic– Density-dependent & biotic.– Density-independent & abiotic.
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Review Question 3
• A forest fire that clears most plant and animal life from an area will most likely lead to what process? BE SPECIFIC– Secondary succession.
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Review Question 4
• What do the following variables “stand for” in the various population growth equations we learned?
• N• K• r• b– N = population size, K = carrying capacity, r = growth
rate, b = birth rate.
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Review Question 5
• BONUS NON-BIOLOGY QUESTION• You may wager any/all of your points.• Category: English Language
• What is the only English word that has three consecutive sets of double letters? (like ‘rr’)– Bookkeeper.
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Review Question 6
• The loss of a keystone species likely leads to what kind of change in biodiversity?– Biodiversity decreases.
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Review Question 7
• The nitrogen cycle is most closely associated with what two kinds of organisms?– Plants and bacteria.
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Review Question 8
• The principle of biomagnification means that a toxin present at the top level of a food web exists in a (higher/lower) concentration at the bottom of that web.– Lower (it magnifies as it rises up the web).
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Review Question 9
• What principle states that two separate populations cannot occupy the same niche?– Competitive exclusion.
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Review Question 10
• And supposing that two populations do, for a time, occupy the same niche, what is the inevitable conclusion?– The population with the higher fitness, however
slight, will prevail and outcompete the other.
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Review Question 11
• To avoid competitive exclusion, similar species living in close proximity engage in what activity to separate themselves?– Resource partitioning.
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Review Question 12
• BONUS NON-BIOLOGY QUESTION• You may wager any/all of your points.• Category: Money
• What is the only year the United States Mint issued a penny without any copper content?– 1943 (due to World War II, it was made of steel)
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Review Question 13
• What two kinds of interspecific interactions are most likely to be deleterious to one of the organisms in the pair?– Predation or parasitism.
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Review Question 14
• Succession is the process by which new species move into and colonize an area previously devoid of life, either due to a temporary fire or because the land is new and not supplied with many nutrients. If the first successive residents in the environment modify the environment in such a way as to prevent further colonization by other species, they have engaged in what kind of succession model?– Inhibition.
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Review Question 15
• Nestling birds learn the identity of their parents shortly after hatching. This process is called _______ and occurs during the _______ of their lives.– imprinting…critical period.
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Review Question 16
• School buses are yellow and black – a common set of warning colors from the biological world. However, since school buses can’t exactly sting you, we could say the buses are engaged in what?– Müllerian mimicry.
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Review Question 17
• Operant and classical conditioning are both forms of what kind of learning?– Associative learning.
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Review Question 18
• BONUS NON-BIOLOGY QUESTION• You may wager any/all of your points.• Category: Measurements
• What is the exact length of a year in days, rounded to the nearest hundredth?– 365.25 days (hence leap years every 4 years).
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Review Question 19
• Powerful negative stimuli often lead to lifelong associations. For example, returning military veterans that witnessed horrific battle scenes frequently develop PTSD (post-traumatic stress disorder), which may include “flashbacks” to the original event triggered by a similar stimulus. This heightened response to a stimulus could be considered what phenomenon of learning?– Sensitization.
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Review Question 20
• If, however, that stimulus causing the flashback is highly simplified in comparison to the original stimulus, one might erroneously identify it as a sign stimulus triggering a fixed action pattern. Why is this is misdiagnosis?– Fixed action patterns are innate behaviors, not
learned within the organism’s life.