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| explanation as to the cause of an observation |
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| statement that either supports or rejects your hypothesis based off of your data |
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| basic compoments of the nervous system |
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| nueron that carries impulse away from central nervous system |
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| something like a sound, light, pain that the body will be responding to |
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| brings signal to spinal cord which signals the motor neuron |
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| consists of brain and spinal cord |
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| Peripheral Nervous System |
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| made up of spinal and cranial nerves |
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| What does the central brainstem control |
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| temperature, heartbeat and breathing |
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| the concept that differences among species are the result of changes across time |
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| a change in nature that brings either a positive/negative change for a species |
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| differences because of enviroment, diet and climate |
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| studied on, where Dawrin found finches |
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| gave evidence of adaptations (beaks) |
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earth's changes
(pangea, ocean, ige age etc.)
very slow |
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using the age of the rock layer to estimate the age of the fossil
closer to the core-older
closer to the surface-newer |
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used to directly caculate the age of a fossil, by looking at the isotepopes of carbon, carbon-12, carbon 14
more carbon-12, the older it will be. |
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| studied by develpmental biologists, shows relation between species |
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| to see how species have changed, how extinct species lived |
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supercontinent
formed- 300 million years ago
broke up- 200-100 million years ago |
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| intelligence, their age, possibly diet and possibly death. |
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| investigate biological change by studying fossils and the history of the earth |
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| study how living organisms change physically over time |
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| study how humans have changed biologically over time |
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eukaryotes/ prokaryoties
don't belong to animal, plant of fungi
very diverse
found anywher
miscrosopic single cells |
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Definition
either vascular or non vacular
photosynthesis
chloroplasts
produce oxyggen
eukaryotic
reproduce sexually |
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| Lamark's Theory of Evolution |
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| body structure can change according to an organism's needs |
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| ability to survive and reproduce |
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Kingdom
Phylum
Class
Order
Family
Genus
Species |
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| Things specifically to plants |
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Definition
chloroplasts
photosynthesis
chlorphyll |
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bouncer protects cell.
both |
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| protein oacakaging, exports and makes lysomone |
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| membrance bound sacs for storage, digestion, waste disopasal, contains water solution, stores materials |
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Definition
make energy using sugar
controls levels in the cell |
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| make proteins made up of RNA and proteins |
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| internal balance that needs to be maintained, if not maintained injuries or illness will occur |
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| water molecules across a membrane from an area of high water concentration to an area of lower concentration. |
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| when two osmotic solutions are equal |
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| the solution with the higher concentration of solutes |
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| solution with the lower concentration of solutes |
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| the process by which molecules spread from areas of high concentratiion, to areas of low concentration. |
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| When molecules are even throughout a space |
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| pigment in red blood cells that are responisble for transporting oxygen |
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| irregularly shaped, colorless, sticky body that clots together in order to stop bleeding. |
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| blood cell that carries oxygen |
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| blood cells that destroy pathogens |
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| sweating, ciculate blood away from internal organs |
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| Body temperature when Cold |
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Definition
| circulate blood to center, shivers |
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