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Biology
1/12/04 Test 1
40
Biology
Not Applicable
02/16/2004

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Term
Biology
Definition
The study of living things.
Term
Ecosystem
Definition
Community plus physical environment
Term
Organelles
Definition
Membrane-bound internal compartments for specialized reactions.
Term
Biosphere
Definition
All regions of the earth that sustain life.
Term
Organ
Definition
Structural unit in which combinations of tissues work together.
Term
Tissue
Definition
Organized aggregations of cells and substances working together.
Term
Community
Definition
Populations of all species in the same area.
Term
Population
Definition
Group of individuals of the same type in the same area.
Term
Multicelled organism
Definition
An individual consisting of interdependent cells.
Term
Organ system
Definition
Two or more organs working together.
Term
Consumers
Definition
_______ use the food energy stored in producers; animals.
Term
Producers
Definition
Organisms that use the energy of the sun to make their own food; plants.
Term
Subatomic particle
Definition
Electron, proton, neutron
Term
Molecule
Definition
Two or more atoms bound together
Term
Atom
Definition
Smallest unit of an element.
Term
Metabolism
Definition
The ability to capture and use raw materials.
Term
Cell
Definition
Smallest unit with the capacity to live and reproduce independently or as a part of a multi-celled organism.
Term
1, The ability to capture and use raw materials.
2. The ability to sense and respond.
3. The ability to reproduce.
4. The ability to evolve.
Definition
What are the 4 characteristics of living things?
Term
Species
Definition
A kind of living thing.
Term
Carolus Linnaeus
Definition
Who invented the binomial system of classification in 1753?
Term
1. Domain
2. Kingdom
3. Phylum (phyla)
4. Class
5. Order
6. Family
7. Genus (genera)
8. Species
Definition
List the 8 catagories of classification from most inclusive to least inclusive.
Term
1. Archaea
2. Bacteria
3. Eukarya
Definition
What are the 3 domains of living things?
Term
1. Archaebacteria
2. Eubacteria
3. Protistans
4. Fungi
5. Plants
6. Animals
Definition
List the 6 kingdoms.
Term
Eukaryotic
Definition
Has a nucleus.
Term
Prokaryotic
Definition
Has no nucleus.
Term
DNA
Definition
A molecule (nucleic acid) which carries the blueprint for living things.
Term
Inheritance
Definition
The aquisition of traits through the transmission of DNA from parents to offspring.
Term
Reproduction
Definition
The mechanism of transmitting DNA from parent to offspring.
Term
Gamete
Definition
A reproductive cell.
Term
Mutation
Definition
A heritable change in DNA. For a mutation to be heritable, it must occur in a gamete.
Term
Variation
Definition
The range of traits which occurs in a populations as a result of mutation.
Term
Adaptive traits
Definition
A particular trait that helps an individual survive and reproduce.
Term
Evolution by natural selection
Definition
Change in a population of organisms over many generatoins when the environment favors individuals with adaptive traits.
Term
Artificial Selection
Definition
The change in a population of organisms that occurs over many generations in an artificial environment.
Term
Logic
Definition
A consistant mode of thinking where the evidence supports the conclusion.
Term
Inductive logic
Definition
Make a general statement from specific observations
specific ---> general
Term
Deductive logic
Definition
Make a specific prediction from general observations
general ---> specific
Term
Control group
Definition
A standard group to which experimental groups are compared.
Term
Sampling error
Definition
Error associated with subsets of groups that are not representative of the entire group.
Term
Scientific theory
Definition
A hypothesis supported by many rigorous tests and disproved by none.
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