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lecture 1
ecosystem and communities
24
Environmental Studies
Undergraduate 3
02/04/2016

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Cards

Term
what is ecology?
Definition
scientific study btwn organism and the environment
Term
how can abiotic or biotic environments be classified as?
Definition
-resources and conditions
Term
what are resources?
Definition
they can be consumed
Term
what are conditions?
Definition
they influence an organism but cannot be consumed
Term
how do resources or conditions affect competition?
Definition
resources make it more competitive while conditions alter the conditions for the competitiveness
Term
what is "oikos" greek
Definition
means household (of nature)
Term
what is biogeography?
Definition
where similar organisms (plants) occur in similar climates

(relates envy with species distribution)
Term
what is an ecosystem?
Definition
the ability of species to survive in a a specific environment
Term
what does an ecosystem include?
Definition
a biotic and abiotic community?
Term
what is a network"ecosystem"?
Definition
it includes bot abiotic and biotic interactions that function as as one
Term
what is a biotic environment?
Definition
they are living interactions.
like everything that has cells
Term
what is an abiotic environment?
Definition
non-linving interactions
Term
what are the aspects that ecologist study?
Definition
individual, population, community, and ecosystem
Term
what is an observational study?
Definition
it's a measurement of an independent and dependent variable.
explanatory-independent
response- dependent
Term
what is a field experiment?
what are some cons/ pros?
Definition
it' an experiment that is performed in nature
cons- difficult to control factors
pro- they are realistic
Term
why do we need replication?
Definition
to achieve accurateness and cosinstency in your results
acts as a control which is a good comparison
Term
what is statistical population?
Definition
involve collecting data and drawing conclusions
-aka the measurements of ecological studies
Term
what is the sample?
Definition
is that part that is observed!!
Term
what are the two types of data you could have?
define them?
Definition
-categorical- qualitative
-numerical- quantitative (continous)
Term
what is categorical data? give examples
Definition
unordered
hair colour, sex
Term
what are the two values for numerical data? explain
Definition
-Discrete (whole numbers,
-continous data (any value within an interval, 0.5, height, weight
Term
what is a histogram?
where are they placed
Definition
the relationship between categorical variable and continuous variable.
categorical- the x-axis, explanatory, independent
numerical- y axis, response, dependent
Term
what is a scatter plot?
Definition
the relationship between two independent/ continuos variables or sets of observations
Term
what is a scatter plot?
Definition
the relationship between two independent/ continuos variables or sets of observations
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