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Chapter 1
Intro
12
Biology
Undergraduate 1
01/26/2009

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Cards

Term
Biology
Definition
The scientific Study of Life
Term
Scale
Definition
Molecular to the global
Term
Properties of life
Definition
- Order
- Regulation- Senses and responds to the environment
- Growth & Development- Growth by cell division
- Energy Utilization – Producers or consumers
- Response to the environment (ex. Venus flytrap)
- Reproduction- Asexual (ex. Bacterium divides); Sexual; Increases genetic diversity & combinations in a population
- Evolution
Term
Levels of Life
Definition
Biosphere

Community-- Ecosystem: Environment + Community

Population (Many organisms of the same species that can interact with each other)

Multicellular Organism

Organ System

Organ

Tissues

Cells

Organelle

Molecule

Atom
Term
Why do scientists use the scientific method
Definition
limits the scope of science to the study of structures and processes that we can observe and measure
Term
Steps of Scientific Method
Definition
Observations
Question
Hypothesis
Prediction
Test
Term
Hypothesis
Definition
a tentitive answer to some question
Term
What does DNA provide?
Definition
instructions for maintaining and reproducing the cell organized into genes
Term
What does DNA provide?
Definition
instructions for maintaining and reproducing the cell organized into genes
Term
Cell
Definition
The cell is the lowest level of structure that can perform all activities required for life
Term
What does DNA provide?
Definition
DNA provides instructions for maintaining and reproducing the cell organized into genes
Term
Prokaryotic
Definition
Do not have moveable membranes
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