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| smaller things are found in ____ |
bigger systems. |
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porkchoppony Mon, 28 Sep 2009 00:50:26 GMT |
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| homeostatis; |
-receptor --feeling pain/illness
-control center- brain- course of action
-effector- thing that fixes it. |
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porkchoppony Mon, 28 Sep 2009 00:50:26 GMT |
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sem and tem must be _______
becuase they are electron miceroscopes |
dehydrated and preserved. |
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porkchoppony Mon, 28 Sep 2009 00:50:26 GMT |
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| scanning electron microscopes SEMS! |
scan narrow beam back and forth, 3-d images |
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porkchoppony Mon, 28 Sep 2009 00:41:28 GMT |
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| transmission electron microscopes |
beams of electrons travel through specimmin to see inside cell |
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porkchoppony Mon, 28 Sep 2009 00:41:28 GMT |
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| name some biologist |
zooologist- study animals
paleontologist- ancient life |
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porkchoppony Mon, 28 Sep 2009 00:41:28 GMT |
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| living things |
1. cells
2. reproduce
3. based on genetic code
4. evolve
5. use energy and matterial
6. respond to enviornment
7. have homeostatis
8. grow and devolop |
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porkchoppony Mon, 28 Sep 2009 00:41:28 GMT |
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| scientific method |
1. define problem
2. observe.
3. hypothesis
4. controled experment
5. evaluate results
6. conclusion.
POHERC. |
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porkchoppony Sun, 27 Sep 2009 22:25:32 GMT |
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| paster |
final gravy person.
pasturiez things.
saved french sour wine industry and silkworm disease.
said that if only air could get in: no microorganisms. |
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porkchoppony Sun, 27 Sep 2009 22:25:32 GMT |
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| l. spallanzani |
claimed needham didn't heat enough.
bioled it for "real"
1. jar sealed _____ nothing.
2. jar open----microorganisms.
biogensis. living produces living. |
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porkchoppony Sun, 27 Sep 2009 22:25:32 GMT |
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| needham |
killed bacteria in gravy by boiling it and it came back days later:
non-living produces living.
abiogensis.
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porkchoppony Sun, 27 Sep 2009 22:11:26 GMT |
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| aton van leeuwenhoek |
discovered animalcules.
tiny objects. |
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porkchoppony Sun, 27 Sep 2009 22:09:01 GMT |
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| francesco redi |
flies produce maggots
made controlled expiremtn
suggested biogensis |
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porkchoppony Sun, 27 Sep 2009 22:09:01 GMT |
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true or false:
scientists don't make decisions. elected officals have final word. |
true. scientists make suggestions. |
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porkchoppony Sun, 27 Sep 2009 22:09:01 GMT |
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| "BASIC NATURAL LAWS ____ ALL EVENTS" |
govern |
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porkchoppony Sun, 27 Sep 2009 21:49:02 GMT |
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| system |
collection of processes and parts that interact |
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porkchoppony Sun, 27 Sep 2009 21:49:02 GMT |
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| scienctists must be ______ _____________ _______ |
skeptical:
open to new hypothesis
evaluate hypothesis |
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porkchoppony Sun, 27 Sep 2009 21:49:02 GMT |
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| conclusion |
based on inference (interpretation) of data |
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porkchoppony Sun, 27 Sep 2009 21:49:02 GMT |
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| hypothesis must be able to be ______. You should be able to have a _____ _____ or ______ _____ _____/ |
hypothesis must be able to be tested.
you should be able to have a controlled expirement or be able to collect more data. |
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porkchoppony Sun, 27 Sep 2009 21:47:37 GMT |
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| data makes: |
inference...which is interpredations. |
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porkchoppony Sun, 27 Sep 2009 21:47:37 GMT |
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| scientists look for ______ and ______. |
patterns...connections |
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porkchoppony Sun, 27 Sep 2009 21:47:37 GMT |
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| GOAL OF SCIENCE: |
"to investigate, understand, explan and predict our NATURAL world. |
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porkchoppony Sun, 27 Sep 2009 21:47:37 GMT |
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| cell fractination |
seperate cell parts.
1. cells broken into pieces in special blender
2. brocken pieces added to liquid in tube
3. tube in CENTRIFUGE spins |
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porkchoppony Sun, 27 Sep 2009 21:43:55 GMT |
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| cell culture |
single cell onto dish containing nutrient solution; cell is able to reporoduce so that a group of cells (CELL CULTURE) devolpes from original cell |
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porkchoppony Sun, 27 Sep 2009 21:43:55 GMT |
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| electron microscope |
beams of electrons!!! NOT LIGHT____
produce 1,000X more detailed than compound light microscopes |
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porkchoppony Sun, 27 Sep 2009 21:43:55 GMT |
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| compound light microscope |
alow light to pass through specim and use 2 lenses to produce image |
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porkchoppony Sun, 27 Sep 2009 21:43:55 GMT |
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| microscope |
magnification device |
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porkchoppony Sun, 27 Sep 2009 21:40:19 GMT |
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| metric system |
decimal measurment of units.
based on multiples of 10. |
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porkchoppony Sun, 27 Sep 2009 21:40:19 GMT |
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| evolution |
CHANGE |
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porkchoppony Sun, 27 Sep 2009 21:40:19 GMT |
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homeostatis
give example: |
internal thermostat
- cold: shiver
hot: sweat |
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porkchoppony Sun, 27 Sep 2009 21:40:19 GMT |
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stimulus
external
internal |
signal to which organism responds
external: outside
internal: inside |
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porkchoppony Sun, 27 Sep 2009 21:39:01 GMT |
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| metabolism |
when an organism uses chemical reactions to break down or build up material. |
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porkchoppony Sun, 27 Sep 2009 21:39:01 GMT |
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| asexual reproduction |
single cell into 2: it divides in 1/2 |
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porkchoppony Sun, 27 Sep 2009 21:39:01 GMT |
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| sexual reproduction |
cells from 2 parents produce first cell of new organisms |
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porkchoppony Sun, 27 Sep 2009 21:39:01 GMT |
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| cell |
collection of matterial that is alive and enclosed |
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porkchoppony Sun, 27 Sep 2009 21:37:03 GMT |
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| biology |
science that studies living things |
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porkchoppony Sun, 27 Sep 2009 21:37:03 GMT |
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| theory |
a well supported hypothesis |
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porkchoppony Sun, 27 Sep 2009 21:37:03 GMT |
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| responding variable |
the variable that changes because of manipulated variable |
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porkchoppony Sun, 27 Sep 2009 21:37:03 GMT |
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| manipulated variable |
variable that is diliberatly changed |
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porkchoppony Sun, 27 Sep 2009 21:36:12 GMT |
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| controlled expirement |
when only one variable is tested |
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porkchoppony Sun, 27 Sep 2009 21:36:12 GMT |
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| spontaneous generation |
abiogensis- the idea life could arise from non life. |
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porkchoppony Sun, 27 Sep 2009 21:36:12 GMT |
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| ambiguous |
difficult to understand |
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porkchoppony Sun, 27 Sep 2009 21:36:12 GMT |
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| techknowledgy |
utilizing science |
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porkchoppony Sun, 27 Sep 2009 21:34:11 GMT |
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| hypothesis |
reasonable explination. |
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porkchoppony Sun, 27 Sep 2009 21:34:11 GMT |
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| inference |
interpertation based on prior knowledge |
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porkchoppony Sun, 27 Sep 2009 21:34:11 GMT |
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| qualitive data |
descriptions |
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porkchoppony Sun, 27 Sep 2009 21:34:11 GMT |
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| quantitive data |
counted data |
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porkchoppony Sun, 27 Sep 2009 21:33:18 GMT |
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| data |
info gathered from observation |
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porkchoppony Sun, 27 Sep 2009 21:33:18 GMT |
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| observation |
gathering information |
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porkchoppony Sun, 27 Sep 2009 21:33:18 GMT |
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| science |
organized way of using evidence to learn about natural world |
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porkchoppony Sun, 27 Sep 2009 21:33:18 GMT |
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