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Cells #1 -- Genoa
Microscopes, CLT, Cell History & Cell Theory
| Question | Answer |
|---|---|
| organism | an individual living thing |
| energy | power from physical/chemical resources |
| wastes | products of chemical reactions; must be eliminated from a cell |
| adapt | a genetic variation that helps an organism survive in a changing environment |
| cell | the basic/smallest unit of structure, function and organization in an organism (The second part of the "Cell Theory".) |
| unicellular | a one/single celled organism |
| multicellular | an organism made of many cells |
| stimulus | a change in an organism's surroundings that cause it to react |
| response | an action or change in behavior that occurs as a result of a stimulus |
| growth | the process of becoming larger; the addition of mass (cells) to an organism |
| development | the natural changes that take place during an organism's life-cycle which produce a more complex organism |
| reproduce | to produce offspring that are similar to the parent(s); to make more of the same kind of organism |
| scientific theory | an explanation of the natural world that is confirmed/proven with the scientific method--> observation & experimentation |
| cells | All living things are made of one or more _____. (The first part of the "Cell Theory".) |
| six | How many CLT are there? _____ |
| three | How many parts/statements are there in the "Cell Theory"? _____ |
| seven | In class, we listed how many "Cell History" scientists? _____ |
| two | In class, we have compound microscopes which means they are made with _____ convex lenses. |
| fine | Because the objects we view under a microscope are 3-D, we must focus back and forth with the _____ focus knob while viewing on medium and high powers. |
| upside | As a result of a compound microscope using two convex lenses, the image we see is _____ down. |
| forty | If the eyepiece lens is 10x and the low power lens is 4x, the total magnification is _____x. (HINT: multiply the two numbers) |
| Schleiden | Name the German scientist who studied/concluded that all plants are made of cells. |
| Schwann | Name the German scientist who studied/concluded that all animals are made of cells. |
| The third part of the "Cell Theory" | ALL cells come from existing cells. |
| Hooke | While looking through a microscope, this English scientist saw "little rooms" (boxes) when looking at cork and was the first person to call them CELLS. |
| Leeuwenhoek | This Dutch scientist built high-quality lenses/microscopes and was the first person to see living cells (protists, bacteria, red blood cells, etc.). |
| hundred | If the eyepiece lens is 10x and the medium power lens is 10x, the total magnification is one _____x. (HINT: multiply the two numbers) |
| four | If the eyepiece lens is 10x and the high power lens is 40x, the total magnification is ____ hundred x. (HINT: multiply the two numbers) |
Created by:
mrsgilbert
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