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Discussion of the distribution and abundance of living organisms and how these properties are affected by interactions between the organisms and their environment
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Class and Order question.

Tue Mar 27, 2007 8:19 pm

Scientist classify Storks and Herons in the same order. Do Storks and
Herons necessarily belong in the same class? Why or why not.

Tue Mar 27, 2007 9:57 pm

learn your hierarchy.

Tue Mar 27, 2007 10:00 pm

I tried to read it in my textbook but it has been a bit confusing.

Wed Mar 28, 2007 2:19 am

http://www.blackwellpublishing.com/ridl ... rarchy.asp

Wed Mar 28, 2007 2:02 pm

I'll look in to the website, thnx.

Wed Mar 28, 2007 3:18 pm

Ren, the carnivora class only exists under mammalia, since birds aren't mammals, they can't be carnivora. Each lower grouping branches from an upper grouping and the branches only intersect going higher up, the lower branches don't really intersect with other lower branches that come from different classes, orders etc...
this might be a slightly more helpful picture
http://faculty.ircc.edu/faculty/tfische ... xonomy.jpg

Anyway, I think the concept is if they're in the same lower taxon(lower level grouping), they're necessarily from the same higher level grouping. So if cats and dogs are both carnivora, they necessarily have to also be under mammalia since that's the only class that has carnivora. Now, the question is probably testing you whether the reverse is true. Hint(there's more that one lower taxon for every higher one).

Wed Mar 28, 2007 4:07 pm

Okay, you said that "..if they're in the same lower taxon(lower level grouping), they're necessarily from the same higher level grouping." So, the question is asking me if Herons and Storks are in the same order, are they in the same class. Considering what you said and what I read from the internet, the answer would be yes right?

Thu Apr 05, 2007 7:51 am

Your on the right track, let me try and explain it in a different way.
This is your hierarchy:

So if 2 taxa are in the same order then they must also be in all of the same groups higher in the hierarchy, but it would not necessarily be in the same lower groups in the hierarchy.

Fri May 11, 2007 8:39 pm

For example if there is Room 'A' (taken as 'class') the teacher has divided the students present in the room in various groups called "orders"....now two students A n B are in the order 1 so what would be their class? ofcourse Room "A"...
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