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[UCSB] EEMB 2 - Midterm 1 Questions and Answers 100% Solved correctly
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What book triggered the environmental movement of the 60's, and the first time ecology was seen as rigorous and serious? - ️️Silent Spring by Rachel Carson Any environment is made up of its ________________ and ________________ components. - ️️Biotic and abiotic What are abiotic compone...

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  • October 17, 2024
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  • 2024/2025
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[UCSB] EEMB 2 - Midterm 1
What book triggered the environmental movement of the 60's, and the first time ecology
was seen as rigorous and serious? - ✔️✔️Silent Spring by Rachel Carson

Any environment is made up of its ________________ and ________________
components. - ✔️✔️Biotic and abiotic

What are abiotic components? Give examples. - ✔️✔️Nonliving components of an
environment, e.g. temperature, soil composition, etc.

What are biotic components? Give examples. - ✔️✔️Living components of an
environment, e.g. competition, predation, etc.

We learn less and less as we move (lower/higher) on the biological scales. -
✔️✔️Higher


What is
What is ecology? - ✔️✔️The distribution and abundance of organisms and WHY (what
factors, interactions, etc.)

a population? - ✔️✔️Two or more individuals of the same species in a defined
geographical location

What is a community? - ✔️✔️Two or more populations of two or more different species
living in a defined geographical location

What is an ecosystem? - ✔️✔️A collection of communities and their physical
environment

What 3 'spheres' make up the biosphere? - ✔️✔️Lithosphere, hydrosphere, and
atmosphere

We gain _________ but lose ___________ when making experiments to study ecology
(rather than studying ecology out as it is naturally) - ✔️✔️We gain accuracy but lose
authenticity

What is the purpose of ecology? - ✔️✔️To predict, manage, and control the
environment

, How do we use statistics to estimate the size of a population? - ✔️✔️By taking a
random sample to act as a small representative subset and basing our estimate off of
that



What book did Aristotle write that contributed to ecology? What did he contribute? -
✔️✔️Historia Animalium; he was able to explain 'divine' events with natural processes

P-value - ✔️✔️The probability value; how much 'confidence' we have in our
conclusions (if less than 5%, generally acceptable)

What do we use frequency distribution for? - ✔️✔️To find probability

Is biological data generally distributed in a 'normal' curve? - ✔️✔️Yes

What does the Z-test in statistics tell us? - ✔️✔️How much above or below the mean
something is

What is Graunt the father of? - ✔️✔️Demography (1662)

What kind of growth was Leeuwenhoek interested in? - ✔️✔️Population growth (ie,
insects) (1687)

What did Malthus believe? Was he right or wrong? - ✔️✔️That populations grow
exponentially but food grows linearly, this was wrong (1798)

What did Quetelet believe? - ✔️✔️That growth (population, food, etc.) is somehow
controlled by the environment (logistic growth)

What did Verhulst do? - ✔️✔️Came up with an equation (describes the logistic growth
of populations) to prove Quetelet's theory of logistic growth

What is Farr's rule? - ✔️✔️As population density increases, so do mortality rates

What were Forbes and Cowles the first to study? - ✔️✔️Community regulation and
succession (species replacement)

What did Robert Ross study? - ✔️✔️Systems analysis (mathematical modeling of the
spread of infectious disease)


Weather - ✔️✔️Short-term atmospheric conditions at a particular time and place

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