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| amphibia:
"2 lives", land and water based. |
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| control:
A separate experiment, done exactly like the experimental group.
The only difference is that no variable are changed so that it provides
a comparison allowing you to see what changing a variable does compared
to not changing it at all. |
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| crustacean:
One of a class of arthropods having a hard shell, two pairs of antennae,
and usually gills, including lobsters, crabs, shrimps, etc. |
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| habitat:
The region where a species or individual naturally or usually lives
or is found. |
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| metallurgy:
The technology of extracting metals from ores and producing alloys
of desired properties. |
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| morphology:
The branch of biology that deals with the form and structure of
plants and animals. |
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| oxidation:
The union of a substance with oxygen. |
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