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Science Vocabulary

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Terms

undefined, object
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multicellular
an organism composed of many cells the have a certain function
Shchleidon
stated that all plants are made up of cells.
stimulus
A change in an organism's surroundings that causes it to react
eukaryote
organisms whose cells include a nucleus
replication
the cell makes an exact copy of its own DNA in its nucleus
stoma
a small opening on the underside of leaves that lets carbon dioxide in and oxygen out
length
the measure of distance
passive transport
the movement of dissolved materials through a SP membrane eithout using cellular energy.
data
the facts, figures, and other evidence gathered through observations
cell cycle
the regular sequence of growth and division that cells undergo
amino acid
small proteins molecules
pigments
colored chemical compounds that absorb light
cell
baic unit of structure and function in an organism
Chlorophyll
the main photosynthetic pigment in chloroplasts
manipulated variable
the one that changes
osmosis
the diffusion of water through a SP membrane
response
A change in behavior
RNA
produces proteins
prokaryote
organisms whose cells lack a nucleus
enzyme
a protein that speeds up chemical reactions
Leeuwenhoek
found single celled organisms and called them "Animalcules" or little animals. in pond water, scrapings from teeth, and water from gutters
reproduce
to produce offsprings that are similar to their parents
inorganic compounds
a compound that is not alive nad has never been.
temperature
the amount of heat an object gives off
observation
using one or more of your senses to gather information
photosynthesis
the process in which cells capture energy from sunlight nad make it into energy
mass
amount of material in an object
how to write a hypothesis
if, then
responding variable
the factor that changes because of the manipulated variable
the photosynthesis equation
6 carbon dioxide+ 6 water -yeilds- a sugar+ 6 oxygen
Schwann
stated that all animals are made up of cells. (all living things are made up of cells)
diffusion
the process by which molecules move from one area of high concentration to an area of lower concentration.
spontaneous generation
the idea that living things can arise from nothing
the respiration equation
a sugar+ 6 oxygen -yeilds- 6 oxygen+ 6 water
heterotroph
organisms that can not make their own food.
DNA
carries info. around the body
resolution
the sharpness of an image
hypothesis
A possible explanation for a set of observations
homeostatis
the mainenance of stable internal conditioning
autotroph
Organisms that make their own food
organic compounds
a compound that is living or used to be living
unicellular
single celled organism
active transport
using cellular energy to move materiales through a SP membrane.
selectively permeable (SP)
the cell membrane is selectively premeable meaning it will let some substances go through while others can't
volume
the amount of space an object takes up
ml=
cm^3
Hooke
conributed the name "cell". built a compound microscope.

Deck Info

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