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Birds and feathers?

Asked by sueles_volver about 1 year ago, 11 answers.

Ok how do you feel about this statement:
All birds have feathers
If an animal is a bird then it has feathers.

My Geometry teacher told us this and said that the statement is always true,but I said what about a penguin and he said that penguins do have...

feathers and I said that it was fur.Then I said what about pterodactyls they're technically birds but didn't have feathers,and totally didn't hear me so that brings me to my point I find it interesting and would like to know what ya'll think.
Do you agree with the statement or not?

If not then give another example of a bird w/o feathers.

Answered by maddie1414 on Sep 04, 2008, 03:51PM
464 answers

I don't know another bird without feathers but your geo teacher sounds like an idiot. happy haha

Answered by arabellae on Sep 04, 2008, 03:53PM
6 answers

Well, first of all, you were correct. Penguins do have feathers. As did pterodactyls.

I myself have never heard of a featherless bird, but I'm sure there are some out there.

Answered by evalynn on Sep 04, 2008, 03:56PM
89 answers

I always get in debates with teachers. In that case I would have said a plucked chicken. It's still a bird, and he said nothing about the condition. But penguins do have feathers.

Answered by tinatodder4 on Sep 04, 2008, 03:56PM
2637 answers

kiwis don't have feathers.'

**EDIT**

neverrrmind apparently they do sad

Answered by mh2m on Sep 04, 2008, 04:18PM
629 answers

all birds have feathers , just like us we have skin

Answered by daydreamer41 on Sep 04, 2008, 04:34PM
62 answers

http://www.truveo.com/Featherless-bird-So-ugly-its-cute/id/4056221825
check out this site...its nearly a featherless bird...its Oscar and she has a disease where when her feathers grown in it irritates her and she plucks them out!

Answered by moombers on Sep 04, 2008, 04:37PM
30 answers

If you pluck out all of it's feathers, it's still classified as a bird. The teacher has a faulty syllogism, that's all; it's missing an additional step.

All Birds have feathers.
An animal is not a bird if it doesn't have feathers.
Therefore, all feathered animals are birds.

Or something along those lines. Even though that's still a faulty thing to say, albeit very radically...

Answered by phrannie on Sep 05, 2008, 01:10AM
4280 answers

I don't think your teacher was talking about a bird being prepared for dinner...LOL...

He's trying to teach you something about Geometry, using a valid syllogism (not in geometric terms), to make it more understandable...

Trying to argue the syllogism (especially, with an untrue and obviously unresearched argument...penquins have fur)... isn't going to do you any good when test time comes around...no wonder he ignored you.

phrannie

Answered by sueles_volver on Sep 05, 2008, 05:03PM
195 answers

yea phrannie I know what he was talking about the lesson,he's teaching us logistics,and converse,inverse and contrapositives but It's just the bird thing that I'm interested in.
And he didn't ignore he was standing on the other side of the room when I mentioned that,and he knows I'm capable of acing his tests so he's not worried about that I just want to know bout the birds

Answered by ty on Sep 06, 2008, 04:07PM
10146 answers

Actually penguins do have feathers... the layer you see is not made of hair (which would make it fur) but of feathers... making your argument wrong...