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terms
chapter 1 terms
22
Biology
Post-Graduate
02/09/2011

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Term
molecular biology
Definition
is providing  new tool s for investisating ancestry and sloving crimes
Term
genetics and cell biology
Definition
are revolutionaizing medicine and agriculture
Term
ecology
Definition
is helping us evaluate enviromentaal issues , such as the causes and conseqences of global climate change
Term
order
Definition
all living thing exhibit complex but ordered organization
Term
regulation
Definition
the enviroment outside an organism may change drastically, but the organism can adjust  it's internal enviroment, keeping it within appropriate limits
Term
growth and development
Definition
imformation carried by the genes controls the pattern of growth and development in all organisms, including the green mamba snake
Term
energy untilization
Definition
organisms take in energy and use it to perform all of life's activitives
Term
response to the enviroment
Definition
all organisms respond to enviromental stimuli
Term
reproduction
Definition
organisms reproduce their own kind
Term
evolution
Definition
reproduction underlines the capacity of populations to change (envole) overtime
Term
biosphere
Definition
consists of all the enviroments on earth that support life, soils, oceans, lakes, other bodies of water and the lower atmosphere
Term
ecosystems
Definition
each organisms interacts continuously with it's enviroment as well as nonliving factors
Term
the dynamics of any ecosystems depand on two main processes
Definition
cycling of nutrients and the flow of energy
Term
genomics
Definition
the study of whole sets of genes and their interactions
Term
tazonomy
Definition
the branch of biology that means the calssifies species
Term
plantae
Definition
plants produce their own sugars and other foods by photosynthesis
Term
fungi
Definition
are mostly decomposers, obtaining food by digesting dead organisms
Term
animala
Definition
animals obtain food by ingesting (eating) and digesting other orgainsms.
Term
protists
Definition
eukaryotes that do not fit on the 3 kingdoms, are generally single-celled, they include micrscopic protozoans
Term
darwin's two main points
Definition
descent with modification and process natural selection
Term
darwin's 2 observations
Definition
overproduction and competition, and individual variation
Term
darwin's conclusion
Definition
natural selection; unequal reproductive success
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