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Biology 104 Ch 1 and 2
Bio Ch 1 and 2 review
16
Biology
Undergraduate 1
02/05/2013

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Cards

Term
Examples of Biology in society
Definition
Molecular Bio solves crimes
Ecology addresses environmental issues
Neuroscience reshapes psychology and sociology
Term
Properties of Life
Definition
Order, regulation, growth/development, energy utilization, response to environment, reproduction, evolution
Term
Levels of life
Definition
Atom, molecule, organelle, cells, tissues, organ systems, organism, population, community ecosystem, biosphere
Term
Ecosystem
Definition
organisms interacting with the environment; both living and non-living factors
Term
2 processes in an ecosystem
Definition
Flow of energy
Cycling of nutrients
Term
Domains of life
Definition
Bacteria, Archaea, Eukarya
Term
Discovery Science
Definition
studying structures and processes that we can observe and measure
Term
Hypothesis-driven Science
Definition
Formal process of inquiry
Term
4 steps of scientific method
Definition
1. Hypothesis
2. Experiment
3. Analyze results
4. Refute/Agree with Hypothesis
Term
Top 4 elements that make up 96% of body
Definition
Oxygen, Carbon, Hydrogen, Nitrogen
Term
Trace elements
Definition
less that 0.1%; Fluorine, iron, zinc, iodine
Term
iodine deficiancy
Definition
causes goiter; thyroid gland enlargens
Term
Elements that consist of 4%
Definition
phosphorus, calcium, magnesium
Term
properties of water
Definition
1. molecules stick together (cohesion)
2. strong resistance to temp change
3. frozen water floats
4. common solvent for life
Term
Acid
Definition
adds H+ to solution; sour; between 0-5
Term
Base
Definition
accepts H+, removes H+, adds OH- ions; between 9-14
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