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Biology - Unit 1
Midterm
61
Biology
10th Grade
01/11/2015

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Term
What is biology?
Definition
the study of life
Term
What are the 6 characteristics of life?
Definition
having at least one cell
having a lifespan
able to reproduce
able to obtain food and produce energy
able to respond and react to the environment
able to evolve by adapting to changes in the environment
Term
What is an adaptation?
Definition
an anatomical, physiological, or behavioral change that inmproves a population's ability to survive
Term
What is aerobic respiration?
Definition
a cellular process that converts food into energy using oxygen
Term
What is anaerobic respiration?
Definition
a cellular process that converts food into energy without the use of oxygen
Term
What is asexual reproduction?
Definition
a process in which one organism creates an exact genetic copy of itself to become two organisms
Term
What is sexual reproduction?
Definition
a process in which egg and sperm unite to create a genetically new individual
Term
What is ATP (adenosine triphosphate)?
Definition
cellular energy
Term
What is an autotroph?
Definition
an organism that produces glucose within its cells
Term
What is a heterotroph?
Definition
an organism that must consume other organisms to provide glucose to the cells
Term
What is a clone?
Definition
a genetically identical organism to its asexual parent
Term
What is a eukaryotic cell?
Definition
a bigger, more complex cell that contains membrane-bound organelles
Term
What is a prokaryotic cell?
Definition
a smaller, more simple cell that does not contain membrane-bound organelles
Term
What is homeostasis?
Definition
the tendency of a system to maintain internal stability
Term
What is a multicellular organism?
Definition
an organism which is composed of many cells
Term
What is a unicellular organism?
Definition
an organism which consists of one, single cell
Term
What is photosynthesis?
Definition
an autotrophic process which uses carbon dioxide, water, and sunlight to create glucose
Term
What is DNA?
Definition
a genetic blueprint
Term
What does a lifespan consist of?
Definition
growing in cell size and number
developing into a sexually mature organism
dying
Term
What is reproduction?
Definition
the process of creating and offspring that is genetically similar to the parent
Term
What is mode of nutrition?
Definition
the way an organism obtains food
Term
How does a species evolve?
Definition
a random mutation causes a genetic change that helps a species survive consequently getting passed through geerations
Term
What is anatomy?
Definition
the study of the structure of an organism
Term
What is botany?
Definition
the study of the properties of plants
Term
What is biochemistry?
Definition
the study of property of matter in living organisms
Term
What is bioenergetics?
Definition
the study of the transformation of energy in living organisms
Term
What is cytology?
Definition
the study of cells
Term
What is dermatology?
Definition
the study of skin
Term
What is ecology?
Definition
the study of organisms and their surroundings
Term
What is entomology?
Definition
the study of insects
Term
What is evolution?
Definition
the change of a species over time
Term
What is genetics?
Definition
traits possessed and inherited from parents to offspring
Term
What is ichthyology?
Definition
the study of fish
Term
What is limnology?
Definition
the study of bodies of water
Term
What is microbiology?
Definition
the study of small organisms
Term
What is mycology?
Definition
the study of fungui
Term
What is ornithology?
Definition
the study of birds
Term
What is pathology?
Definition
the study of diseases
Term
What is physiology?
Definition
the study of an organism's functions and parts
Term
What is taxonomy?
Definition
the classification of living organisms
Term
What is zoology?
Definition
the study of animals
Term
What are the 14 levels of biological organization (smallest to largest)?
Definition
atom
molecule
macromolecule
organelles
cell
tissue
organ
organ system
organism
population
community
ecosystem
biome
biosphere
Term
What is an atom?
Definition
the basic unit of a chemical element
Term
What is a molecule?
Definition
a group of atom's bonded together
Term
What is a macromolecule?
Definition
a molecule containing many atoms
Term
What is an organelle?
Definition
a specialized part of a cell having some specific function (only in eukaryotic cell)
Term
What is a cell?
Definition
the smallest functional unit of an organism
Term
What is a tissue?
Definition
the distinct type of materials of which organisms are composed of
Term
What is an organ?
Definition
a self-contained structure with a specific vital function
Term
What is an organ system?
Definition
a group of organs that work together to perform one function
Term
What is an organism?
Definition
an individual life form
Term
What is a population?
Definition
all of the species in an area
Term
What is a community?
Definition
a group of organisms living together in the same area and possessing similar characteristics
Term
What is an ecosystem?
Definition
a community of interacting organisms, their environment, and abiotic factors
Term
What is a biome?
Definition
a large, naturally occurring community occupying a major habitat
Term
What is a biosphere?
Definition
the surface, atmosphere, and hydrosphere occupied by organisms
Term
What was Linnaeus's contribution to taxonomy?
Definition
a classification system based on only the form and structure of organisms
Term
What are the 8 modern taxonomy levels of classification?
Definition
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
Term
What is binomial nomenclature?
Definition
classifying an organism using its genus and species
Term
What are the 3 domains?
Definition
Archaebacteria
Bacteria
Eukarya
Term
What are the 6 kingdoms?
Definition
Archaea
Bacteria
Protista
Fungi
Plantae
Animalia
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