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Biology Miller
Biology mid term for Mrs. Miller
70
Biology
10th Grade
01/19/2011

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Term
What is bio
Definition
The science that studied living organisms
Term
What is not science
Definition
Religion, and astrology
Term
Characteristics of a living thing
Definition
Having orderly structur
produce offspring
grow and develop
adjust to change
Term
Proteins
Definition
Large complex polymer essential to all life
Term
Nucleic Acides-
Definition
Complex Biomolecules such as RNA and DNA
Term
Scientific method
Definition
Observing
making a hypothesis
collecting data
Publishing results
forming a theory
developing new hypothesis
Revising theory
Term
cells
Definition
Term
vacuole
Definition
Storage
Term
free ribosomes
Definition
floats in the cytoplasm and makes proteins that will stay within the cell
Term
cytoplasm
Definition
Clear fluid in a cell
Term
plasma membrane
Definition
The wall between the inside of the cell and the cell wall
Term
Lysososome
Definition
Digest bad or excessive things of the cell
Term
Cytoskeleton
Definition
the frame of the cell
Term
Golgi apparatus
Definition
Modifies the Proteins
Term
Centriole
Definition
Cell division
Term
Nucleus
Definition
Cell control center
Term
nucleolus
Definition
Makes Ribosomes
Term
Mitochondrion
Definition
Trandsforms energy for the cell
Term
Endoplasmic reticulum
Definition
the site of cellular chemical reactions
Term
ribosomes
Definition
site were the cell produces proteins according to the directions of DNA
Term
Flagella
Definition
long projections that move with a whip like motion
Term
Cilia-
Definition
Short numberous projections that look like hairs
Term
cell theory
Definition
developed by robert hooke
Term
Cellular tansport
Definition
the movement of compounds
Term
Plasma membrane
Definition
the wall between the inside of the cell and the cell wall
Term
polarity
Definition
having equal or opposite charges
Term
Homeostasis
Definition
Organisms regulation of its internal enviornment
Term
diffusionn
Definition
random movement of particles from a higher concentration to a lower concentration
Term
dynamic equilibrium
Definition
result of diffusion where there is continuous movement of particles but no overall change in concentration
Term
hypertonic
Definition
ouside high then in
Term
hypotonic
Definition
lower outside
Term
photosynthesis
Definition
when plants transform sunlight inbto food
Term
cellular respiration
Definition
when mitochondria breaks down food molecules producing ATP
Term
Gylcolysis
Definition
series of anaerobic chemical reactions in the cytoplasm that breaks down glucose
Term
Mitosis
Definition
when 2 daughter cells are formed
Term
meiosis
Definition
when one body cell produces four gametes, containing half the number of chromosomes as a parents body cell
Term
Binary fission
Definition
Asexual reprodution process in which on cell divides into two seperate genetically identical cells
Term
Heredity
Definition
Passing in on characteristics form parent to offspring.
Term
Dominant
Definition
observed trait of an organism that masks the recessive form of a trait
Term
recessive
Definition
trait of an orgasnism that can be masked by the dominate form of a trait
Term
sister chromatids
Definition
Term
centromere
Definition
cell structures that joins two sister chromatids of a chromosome
Term
tetrad
Definition
tubular cells in the xylem that have tyapered ends and are dead
Term
haploid
Definition
cells with 1 of each kind of chrom
Term
diploid
Definition
cell with 2 kind
Term
cancer
Definition
uncontrolled cell division that may be caused by enviornmental factors and or changes in enzyme production in the cell
Term
down syndrome
Definition
chromosome disorder
Term
ecosystems
Definition
interactions among populations in a community
Term
ecology
Definition
scientific study of interactions between organisms and their enviornments
Term
Food chain
Definition
Simple model that shows how matter and energy move through an eco system
Term
Food web
Definition
a model that shows all possible feeding relationships
Term
Communities
Definition
collection of several interacting populations that inhabit a common enviornment
Term
Populations
Definition
group of organisms all of the same species which interbreed and live in the same place at the same time
Term
Biomes
Definition
group of ecosystems with the same climax communities
Term
Carrying capacity
Definition
Number of organisms of one species that an enviornment can support indefinitely
Term
Exotic/non-native,invasive species
Definition
brazilian pepper tree
Term
Biodiversity
Definition
variety of life in an area
Term
Primary
Definition
takes place on land when there are no living organisms
Term
secondary
Definition
takes place AFTER living organisms take over the land
Term
symbosis
Definition
The relation between 2 different species of organisms that are independent
Term
Biotic
Definition
living
Term
Abiotic
Definition
Nonliving
Term
Organic
Definition
With carbon
Term
inorganic
Definition
without carbon
Term
producers
Definition
something that makes food using compouds or sunlight
Term
consumers
Definition
organisms that rely on the feeding of other organisms
Term
decomposers
Definition
break downa dn absorb nutrients from dead organisms
Term
Heterotroph
Definition
organisms that can not make their own food and must feed on other organisms
Term
auto troph
Definition
organism that uses energy from the sun or energy stored chemical compouds
Term
trophic levels
Definition
the energyu levels or steps in a food chain or food web
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