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35 Cards in this Set
- Front
- Back
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Hypothesis |
A tentative answer to a well framed question |
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Biology |
The study of life |
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Evolution |
The process of change that has transformed life on earth from its earliest beginnings to the diversity of organisms |
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Can you prove a hypothesis? |
No you can only falsify a hypothesis |
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Dependent variables |
Factors that can be measured |
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Independent variable |
Variable that stands alone and isn't changed |
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Whats are the Levels of biological organization? |
Biosphere>ecosystems>communities >populations>organisms>organ/organsystems>tissues>cells>organelles>molecules |
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What does a biosphere consist of? |
Of all life on earth and all the places where life exists |
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What does a ecosystem consist of? |
All the living things in a particular area |
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The array of organisms inhabiting a particular ecosystem is called? |
Communities |
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What does a Population consist of? |
All the individuals of a species living within the bounds of a specific area |
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Define Organisms |
Individual living things |
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Carries out a particular function in the body |
Organ system |
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Define Tissues |
A group of cells that work together performing a special function |
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Life's fundamental unit of life |
Cells |
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Organelles |
The various functional components present in cells |
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Molecules |
A chemical structure consisting of two or more units of atoms |
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Reduces complex systems to simpler components that are more manageable to study |
Reductionism |
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Constructs models for the dynamic behavior of whole biological systems |
Systems biology |
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All cells have what in common? |
DNA and a enclosed membrane |
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The primary them of biology |
Evolution |
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(T/F) Every organism interacts with its environment |
True |
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Theme: life requires energy transfer and transformation (pic) |
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What is correlated to all levels of biological organization? |
Structure and function |
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Theme: The cell is an organism's basic unit of structure and function (pic) |
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Has a nucleus |
Eukaryotic cell |
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Does not have a nucleus |
Prokaryotic |
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Define DNA |
A cells genetic material |
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inheritance that transmit information from parents to offspring |
Genes |
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DNA is made up of two long chains called |
Double helix |
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What are the 4 types of nucleotides? |
A,G,C,T |
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The process of converting information from gene to cellular product |
Gene expression |
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Genome |
Entire set of genetic instructions |
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As more of a product accumulates the process that creates it slows and less of the product is produced. |
Negative feedback |
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As more of a product accumulates, the process that creates it speeds up and more of the product is produced |
Positive feedback |
