ECOL 1000 Exam 1 UGA Conelly UPDATED Exam Questions and CORRECT Answers
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Course
ECOL 1000
Institution
ECOL 1000
ECOL 1000 Exam 1 UGA Conelly
UPDATED Exam Questions and
CORRECT Answers
Ecology - CORRECT ANSWER- -the scientific study of interactions between organism and
their environments that determine distribution, abundance, and the impacts of organisms.
***ORGANISM, ENVIRONMENT, INTERACTIONS***
-t...
ECOL 1000 Exam 1 UGA Conelly
UPDATED Exam Questions and
CORRECT Answers
Ecology - CORRECT ANSWER- -the scientific study of interactions between organism and
their environments that determine distribution, abundance, and the impacts of organisms.
***ORGANISM, ENVIRONMENT, INTERACTIONS***
-the branch of science dealing with the relationships of living things to one another and to
their environment (situations are viewed value-free)
Abiotic - CORRECT ANSWER- non-living parts of an ecosystem
Biotic - CORRECT ANSWER- living parts of an ecosystem
Environmental Science - CORRECT ANSWER- -the study of all aspects of the environment,
including physical, chemical, and biological factors, particularly with respect to how these
aspects affect humans and vice versa.
-the study of ecological problems in the human context, including economics, politics, moral
values, etc. (situations may be judged as good or bad)
World Population and US Population - CORRECT ANSWER- 7 billion, 324 million
David Attenborough video - CORRECT ANSWER- -World Wildlife Fund -> Worldwide
Fund for Nature (WWF)
-"there cannot be more people on this earth than can be fed
-population growth underlying factor for global problems and deteriorating planet of
resources . -A finite planet human population will stop at some point.
-to solve:
1) contraception
2) increased death rate
, European Starlings - CORRECT ANSWER- Guy wanted every bird in Shakespeare to be in
Central Park, so released 60 starlings into the park. Did not think about long term
ramifications: they eat everything and reproduce really really fast. If population were driven
by birthrate only 15 years later there would've been over 100,000 birds.
4 things that change population - CORRECT ANSWER- 1) Birth +
2) Immigration +
3) Death -
4) Emigration -
*change in N = B + I - D - E
What does "N" stand for? - CORRECT ANSWER- population
What are the two models of population growth? - CORRECT ANSWER- -Exponential
(Logistic) growth
-Geometric growth
Exponential (Logistic) growth - CORRECT ANSWER- used for populations with continuous
reproduction and/or overlapping generations
geometric growth - CORRECT ANSWER- used for populations with reproduction occurring
at discrete intervals
rate of change in population formula - CORRECT ANSWER- dN/dt = rN
What does dN stand for? - CORRECT ANSWER- rate of change in population size
What does dt stand for? - CORRECT ANSWER- time
What does rN stand for? - CORRECT ANSWER- per-capital growth rate (exponential)
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