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47 Cards in this Set

  • Front
  • Back
organism
a living thing
cell
The bacis unit of structure and function is an organsism
unicellular
made of one cell
multicellular
made of many cells
growth
an organism physialy gets larger
development
organism becomes more complex
stimulus
a change in an organisms surroundings that cause the organism to react
responce
an organism reacts to a stimulus
reproduction
the ability to produce offspring that is simalar to the parents
spontanious generation
living things come from nonliving sources
abiogenesis
spontanious generation
controlled experiment
is an experiment where at least 2 substances are being used as an experiment. The controlled experiment where nothing done to it
manipulated variable
part of experiment where something is done to a substance
autotrophs
organism makes it own food
heterotrophs
organism can't make its own food and goes out and gets its own food
magnification
the abilitiy to make thingslook larger than they are
resolution
the ability to clarly distinguish the indivtual parts of an object
nucler membrane
it protects the nucleus
necleus
the control center of a cell
cromatine
genetic matiriel in thye nucleus
lysosomes
a small round cell structure that contains chemicals that break down large food particles into smaller ones
eukaryote
an organism with cells that contain neclei and other cell structures
prokaryote
an organism whose cells lack a nucleus and some other cell structures
cytoplasm
the area between the cell membrane and the nucleus and the leargest part of the cell carbohydrates
necleic acids
a very large organic molecule made of carbon, oxygen, hydrogen, nitrogen, phosphorus, that contains instructions that cells need to carry out all the functions
protein
large organic molecules made of carbon, hydragen, oxygen, nitrogen, and sometimes sulfur; they are needed for tissue growth and repair and play a partin chemicalsreactions within cells
louis pasteur
disproved sontanious generation by making a experiment with broth
Francesco Redi
Disproved spontainis generation with the fly expeiment
anerobic
with out air
arobic
with air
Dr.operin
thery that life started as one cell in water
Harold
showed that dr operinthery was posible
stanley miller
showed that dr operinthery was posible
homeostasis
the process by which an organisms internal environment is kept stabel inspite of changes
mitochondria
they are the powerhouse of cell because they contain the energy of the cell needs
endoplasmic reticulum
these are passage ways in a cell that carry materials from one part of a cell to another
ribosomes
chemical factories that produce protiens
golgi bodies
the cells mail room of the cell because it packages material like protiens and distributes them to the other part of the cell
chloroplasts
they capture energy from sunlight and turn it into food
vacuoles
the storage area of the cell that can contain food water and other chemicals
fossals
traces of ancient organisms found in rocks
simple microscope contains
contains only one lense
compound microscope
has 2 or more lenses
cell wall
a rigid layer of non-living material that surrounds a plant cell and protects plant cells
cell membrane
the outer fence of a cell
nucleous
it is in the nucleus that ribosomes are produced
cytoplasm
the area between the cell membrane and the nucleus and is the largest part of the cell