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More Information about: key
Term key
Explanation An identification key, also known as a dichotomous key, is a method of deducing the name of a species. It usually works by offering two (in a truely dichotomous key, sometimes more) alternatives at each juncture, and the choice of one of those alternatives determines the next step. A very common error in using a dichotomous key is the assumption that the correct identification is even included in that key. It is possible that a specimen cannot be identified with a particular key, yet the key will lead the user to an end that appears to be "answer". For this reason, comparing the specimen with a more detailed description is vitally important: a dichotomous key alone cannot be used to identify specimens, unless the specimens are known in advance to be included within the key. See http://en.wikiped...se_of_Keys for further comments. See also the Weblinks Section Online keys".
Category Miscellaneous
Submitted by Robert Nash
Date Added/
Modified		 30.05.06
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03 December 2024 18:20
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Last updated: 25.08.2011
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Zeegers
08.11.24 16:10
Www.abebooks.com

Gnats2meetu
29.07.24 13:19
Don't suppose anyone knows anwhere selling a copy of Contributions to a Manual of Palaearctic Diptera 2? Always wanted a copy.... Smile

Paul Beuk
16.07.24 11:37
TumbsUp

Jan Willem
11.07.24 12:59
Following up on the update provided by Paul on the donations received in 2024, I just made a donation. Follow my example Wink

pensae
17.08.23 15:23
Aneomochtherus

pjt
17.08.23 13:54
Tony, I HAD a blank in the file name. Sorry!

pjt
17.08.23 13:44
Tony, thanks! I tried it (see "Cylindromyia" Wink but don't see the image in the post.

Tony Irwin
17.08.23 11:37
pjt - just send the post and attached image. Do not preview thread, as this will lose the link to the image,

pjt
16.08.23 08:37
Tried to attach an image to a forum post. jpg, 32kB, 72dpi, no blanks, ... File name is correctly displayed, but when I click "Preview Thread" it just vanishes. Help!

Gordon
23.02.23 21:29
Has anyone used the Leica DM500, any comments.

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