Term
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Definition
kilo hecto deca BASIC UNIT deci centi milli
k h da gram (g) d c m
1000 100 10 liter (L) .1 .01 .001
103 102 101 meter (m) 10-1 10-2 10-3 |
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Term
| sentence for remembering metric |
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Definition
| Kittens Have Dark Mittens During Cold Months. |
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Term
| Microscope Part: Ocular Lens/ Eyepiece |
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Definition
| contains a magnifying lens that magnifies at different levels |
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Definition
| moves the stage up and down to bring object into focus when sing low-power objective lens NEVER USE WITH HIGH-POWER |
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Definition
| supports the body tube and used to carry the microscope |
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Definition
| supports the slide being viewed/observed stage clips hold slide in place |
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Definition
| supports the microscope like the arm and is also used for carrying microscope. |
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Definition
| maintains proper distance between the eyepiece/ocular lens AND the objective lenses. It allows light to pass upwardthrought to eyepiece. |
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Definition
| moves the stage very slightly to sharpen the image to make is more clear |
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Definition
| holds the low and high-power objective lenses and can be rotated to change magnification. |
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Definition
| located under the stage, it regulated the amount of light passing through the stage to see the object you are viewing more clearly - you can change the settings |
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Definition
| to aid in viewing an object rather than just a mirror to reflect light through the lens |
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Term
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Definition
| low and high-power objective lenses that add to the magnification of the object. Low-power 10x and high-power is 40x. To find total magnification multiply power of eyepiece by mag. of objective lens being used. |
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Term
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Definition
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Term
| Structural Levels of Organization |
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Definition
smallest to largest
Atom
Molecule
Organelle
Cell
Tissue
Organ
Organ System
Organism
Population
Community
Ecosystem
Biosphere |
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Term
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Definition
- Basic unit of matter (eg Oxygen)
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Definition
- Groups of atoms combined together
- Have names and formulas
- ex H2O, salt (NaCl), Carbon Dioxide (CO2)
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Definition
- Structures of the cell formed by groups of molecules
- ex. Mitochondria, choroplast.lysosome
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Term
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Definition
- Basic unit of all living things in both structure and function
- The smallest thing that can be alive
- Ex. plant cell, animal cell, nerve cell
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Definition
- Groups of similar cells working together with a common function
- Ex. muscle tissue, nervous tissue, adipose tissue
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Definition
- Composed of two or more tissue types that perform one or more common function
- Ex. Brain, Stomach, Heart
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Definition
- Group of organs with common function
- Ex. Respiratory system, digestive system, cardiovascular system
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Definition
- One living thing considered as a whole, many organ systems working together
- Ex. Frog, cat, human, bacterium, plant, amoeba
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Definition
- group of one type of organisms that live in same area and can reproduce
- Ex. school of tuna, pride of lions, herd of bison, gaggle of geese
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Definition
- Many different populations in an area
- Ex. Duxury, Pond, River, Marsh
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Definition
- Many communites in an area and all of the non-living factors
- Ex. Rainforest, forest, tundra
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Definition
- All land, air and water where life exists
- Ex. Earth
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Term
| Why viruses are NOT Living things |
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Definition
- Viruses are not cells, do not have cell membrane
- Living host cells are required, without they act as non-living chemicals (eg. need your body as a host)
- do not grow, can't move
- do not metabolize, nor respond to stimuli
- They have genetic material; can mutate and evolve
- Can form parasitic relationships with living things
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Term
Preparing a Wet-Mount Slide
Step 1 |
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Definition
Obtain a clean microscope slide and coverslip. A coverslip is very thin, permitting the objective lens to be lowered very close to the specimen. |
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Term
Preparing a Wet-Mount Slide
Step 2 |
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Definition
Place the specimen in the middle of the microscope slide. The specimen must be thin enough for light to pass through it. |
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Term
Preparing a Wet-Mount Slide
Step 3 |
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Definition
Using a dropper pipette, place a drop of water on the specimen. |
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Term
Preparing a Wet-Mount Slide
Step 4 |
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Definition
Lower one edge of coverslip to touch the side of water drop at about 45 degree angle. Using a dissecting needle or probe, lower cover slip over the specimen. If you trap any air bubbles, gently tap the surface of the cover slip over the air bubble with a pencil eraser. |
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Term
Preparing a Wet-Mount Slide
Step 5 |
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Definition
Remove excess water at the edge of coverslip with a paper towel. If the specimen starts to dry out, add a drop of water at the edge of the coverslip. |
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