UCSB EEMB 2
EXAM 2024 MOST RECENT UPDATE
MOST TESTED COMPREHENSIVE QUESTIONS AND
VERIFIED CORRECT ANSWERS GET IT 100% RIGHT
GRADE A+
What book triggered the environmental movement of the 60's,
and the first time ecology was seen as rigorous and serious? -
(correct answer) Silent Spring by Rachel Carson
Any environment is made up of its ________________ and
________________ components. - (correct answer) Biotic
and abiotic
What are abiotic components? Give examples. - (correct
answer) Nonliving components of an environment, e.g.
temperature, soil composition, etc.
What is ecology? - (correct answer) The distribution and
abundance of organisms and WHY (what factors, interactions,
etc.)
What book did Aristotle write that contributed to ecology?
What did he contribute? - (correct answer) Historia
,Animalium; he was able to explain 'divine' events with natural
processes
What are biotic components? Give examples. - (correct
answer) Living components of an environment, e.g.
competition, predation, etc.
We learn less and less as we move (lower/higher) on the
biological scales. - (correct answer) Higher
What is a population? - (correct answer) Two or more
individuals of the same species in a defined geographical
location
What is a community? - (correct answer) Two or more
populations of two or more different species living in a defined
geographical location
What is an ecosystem? - (correct answer) A collection of
communities and their physical environment
,What 3 'spheres' make up the biosphere? - (correct answer)
Lithosphere, hydrosphere, and atmosphere
We gain _________ but lose ___________ when making
experiments to study ecology (rather than studying ecology out
as it is naturally) - (correct answer) We gain accuracy but
lose authenticity
What is the purpose of ecology? - (correct answer) To
predict, manage, and control the environment
How do we use statistics to estimate the size of a population? -
(correct answer) By taking a random sample to act as a small
representative subset and basing our estimate off of that
P-value - (correct answer) The probability value; how much
'confidence' we have in our conclusions (if less than 5%,
generally acceptable)
What do we use frequency distribution for? - (correct answer)
To find probability
, Is biological data generally distributed in a 'normal' curve? -
(correct answer) Yes
What does the Z-test in statistics tell us? - (correct answer)
How much above or below the mean something is
What is Graunt the father of? - (correct answer)
Demography (1662)
What kind of growth was Leeuwenhoek interested in? -
(correct answer) Population growth (ie, insects) (1687)
What did Malthus believe? Was he right or wrong? - (correct
answer) That populations grow exponentially but food grows
linearly, this was wrong (1798)
What did Quetelet believe? - (correct answer) That growth
(population, food, etc.) is somehow controlled by the
environment (logistic growth)
What did Verhulst do? - (correct answer) Came up with an
equation (describes the logistic growth of populations) to prove
Quetelet's theory of logistic growth
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