BIOC58H3 Study Guide - Midterm Guide: Benthic Zone, Solar Irradiance, Flattened Rice

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Published on 16 Sep 2020
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BIOC58H3: Midterm Exam Practice Questions
Please note that this is NOT a comprehensive practice exam. This is merely a sample of the type of
questions you will face on your midterm exam. I will post the answers to the multiple choice and
true/false questions online. Note that I will not post the answers to the other short answer questions,
but please feel free consult me during my office hours or by email if you have questions regarding
them. The lecture active learning questions are intended to be used as practice questions, also.
MULTIPLE CHOICE SECTION: Read each question carefully and fill in the best answer by
bubbling in the corresponding circle on your scantron. If you make a mistake, make sure to
completely erase one answer before filling in the next bubble. Incompletely erased answers will
cause problems when the scantrons are machine-graded.
1. Which of the following would LOWER the albedo of an area?
a. A heavy snow fall occurring
b. A shift from darker to lighter green vegetation
c. Ice melting, exposing the bare soil underneath
d. Painting all of the asphalt in a city white
e. More than one of the above
2. Aliens arrive and cause an increase in volcanic activity across the Earth. Which of the
following is UNLIKELY to happen as a result?
a. Ejecta entering the atmosphere could decrease the amount of solar radiation
reaching the Earth’s surface
b. Global temperatures might drop as a result
c. Cooler summers could occur, which might trigger an ice age
d. Atmospheric CO2 levels might increase as a result
e. None of the above (Pick this one if a d all could happen as a result)
3. Which of the following statements is CORRECT regarding the lifting cloud hypothesis?
a. It results from a decrease in sea surface temperatures
b. The point at which clouds intersect with mountains drops to a lower elevation
c. This phenomenon is linked to declines and range shifts in many vertebrate species
d. As a result of this phenomenon, the number of dry days a region experiences should
increase
e. More than one of the above
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4. Below is a figure showing temperature differences for the last 400,000 years. Based on this
figure, what you read about in the Petit et al. (1999) paper on the Vostok ice core, and what
you know about the history of the Earth’s climate, which of the following statements is
INCORRECT?
a. This period in Earth’s climatic history is characterized by a series of ice ages, with
brief interglacial periods in between
b. CO2 levels are typically highest when temperature is low, and lowest when
temperatures are high during this span of time
c. There is a lot of variation in mean global temperatures across this time period
d. At the very end of this time period (near time 0) the Earth has entered an unusually
long interglacial period
e. None of the above (Pick this one if a d are all CORRECT)
5. Which of the following statements best describes what happened in the SOUTHERN
HEMISPHERE as the ice retreated at the end of the last ice age?
a. Species showed large-scale expansions southward following the ice retreat
b. Dominant vegetation showed slow responses to the warming climate
c. Species expanded out of microclimate refugia
d. The Southern hemisphere didn’t really experience any changes in glaciation, so this
is a trick question
e. More than one of the above
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