Term
Daphnia
(Literal Translation)
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| Indicator of water quality due to the fact that they are very sensitive to poor water conditions |
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| The size of Daphnia is measured with |
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Term
Ocular Micrometer
(or Eyepiece Macrometer) |
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| A glass disk with a scale etched into it; it's placed in the ocular lense of the microscope and is visible when you look through the ocular. The ocular micrometer appears as numbered divisions, but there are no units per division. |
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Used to calibrate an ocular micrometer; looks like a microscope slide but has a standard scale etched to it. The smallest divisions are 0.01 mm in length.
"a microscopic ruler" |
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[image]
Used to practice measuring microscopic organisms |
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| Factors that have the potential to alter heart rate |
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| Stress, heart structural abnormalities, temperature, various chemicals, etc. |
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| What feature of Daphnia allows you to easily measure their heart rate? |
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| The outer carapace of Daphnia is transparent, so you can see through to the internal organs. |
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Has a polished, concave depression at the center that can hold a large drop of water
[image] |
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| Act to speed up BPM (beats per minute) |
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| Serial Dilutions make it easy to make |
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| VERY diluted solutions with precision |
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| The most concentrated colution that you start with |
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