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Why do manatee's have toenails

TransformedByGrace

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as for the subject before my long post about the ark, I didn't mean that nails are made of calcium, but the nails on the human hand make it possible to hold small objects with your fingertips. If you don't believe, go clip our nails way too short, OUCH! you can't use your fingertips very well without nails. And they prolly serve another purpose that I don't know... but until you can disprove every other option, yes it is called dogmatic to say that manatee keratin serves no purpose.
 
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Arikay

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1) Blue whales. They can swim, but they are Not fish. They have the breath of life in them, They live in salt water not in fresh water, they eat only plankton. They would have Died.
Where did they go on the ark?
Or, since they are such a big problem, are they just waved away?

2) Creationist believe in speciation. Speciation is the basic definition of scientific Macro Evolution. To get around this, creationist changed their definition of Macro Evolution, to changes between "kinds." Yet they very rarly ever explain what a kind is. Making their definition scientifically meaningless, but allowing themselves to backtrack as time goes on.

3) You still never answered anything about the OP.

TransformedByGrace said:
not all insects crawl the ground, i wasn't specific enough i guess. and insects to land on the ark wasn't a very big space issue!
Blue whales.... i thought they could swim.
And I don't know what creationists your talking to, but any macroevolution has never happened. Plus isn't it sorta contradictory to say a creationist (one who doesn't believe in evo), believes in evo?
 
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LadyShea

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Yes, the point is the term "kind" is meaningless and only used by children (doggie kind! Kitty kind!). Hovind says there were about 8000 "kinds" of animals on the ark, and then super fast microevolution branched them off into the millions of species today.

Are zebras and horses the same kind? Horses and donkeys? Rabbits and hares? They all have differeing numbers of chromosomes, so how can they be the same kind?
 
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LadyShea

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Manitee nails are not on the outside, they are under the skin...so how can they be useful?

If insects weren't on the ark, where did they come from? Where did the thousands of species of beetles come from??

I am also still waiting for your source or evidence on the whole human tailbone thing.

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There may be a very good reason that manatees have "nails" such as the fact that the human tailbone contains extremely high deposits of calcium, that are released when one breaks a bone to the bone needed via the circulatory system. This explains why clean breaks of the tailbone heal quicker than any other bone in the body (usually within 24 hours)

Sources or evidence or oh just any kind of back up please?
 
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WinAce

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It's fascinating to note that structures appear to be designed by historical contingency, not common design goals. Hence, the similarity between a manatee's flipper, human hand, bat's wing and even horses's hoof are much greater than any of their similarity to equivalent structures in other lineages.

They all share the exact same nerve, bone and muscle groups, which is an unusual level of similarity totally unrelated to their function but predicted by evolution--other species already have complete (and often superior) structures a designer could borrow instead.

This was, as I recall, one of the most stunning anatomical observations that led to the formulation of common descent in the first place.
 
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Frumious Bandersnatch

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TransformedByGrace said:
as for the subject before my long post about the ark, I didn't mean that nails are made of calcium, but the nails on the human hand make it possible to hold small objects with your fingertips. If you don't believe, go clip our nails way too short, OUCH! you can't use your fingertips very well without nails. And they prolly serve another purpose that I don't know... but until you can disprove every other option, yes it is called dogmatic to say that manatee keratin serves no purpose.
Yes your fingernails are very usefull but you can do just fine without toenails. Ask anyone who has had a toenail removed because of onychomycosis.

It sounds to me like manatee toenails are indeed vestigial.

The Frumious Bandersnatch
 
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Frumious Bandersnatch

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TransformedByGrace said:
LOL! Millions of animals crammed into a boat? yeah right! The ark was 450ft long x 75 ft wide x 45ft high with 3 floors(or decks). each floor would have had 33,750 square foot of space, the ceilings on each floor=15ft high, these dimensions equal at least 1,500,000 cubic feet! This is equal to the space contained by about 522 train boxcars! EACH of these boxcars can hold about 240 sheep-size animals. Calculating these dimensions reveals that all the animals on the ark could have fit on about 2 of the floors, leaving the other floor for Noah's family, and food, etc.
Some people think that every SPECIES of animal was on the ark. This is not what the Bible says. It says 2 of every KIND (and 7 of some animals).
The difference between Species and Kind? If I put a german shepard in front of you and asked you what KIND of animal it was, you would respond "a dog". Yet if I asked you what SPECIES it was (assuming you are intelligent enough to know), you would answer me "a German Shepard". All the Bible says is that 2 of each KIND of animal was on the ark (i.e. 2 dogs, 2 cats, 2 lizards, etc...)
Plus, the Bible says that only creatures with the "breath of life" were on the ark, birds, animals, and creatures that crawl on the ground, making no mention of fish or insects.
Furthermore, the calculated average size of an animal on the ark was about that of a rat. Only about 11% of animals were over the size of a sheep. I could go into alot more detail and express more points, but I'm gonna go talk about something else. So, farewell....
You have median and average size confused ala Woodmorappe and some of the those 11% would have been very large indeed even if only youngesters.

Anyone who believes that all the land vertebrate animals on earth are descended from two or in a few cases 7 or maybe 14 ancestors of each "kind" who floated around for a year on a big boat cared for by a 600 year old man and 7 of his family members has a lot of nerve to LOL at anyone. The idea is totally absurd and the worldwide flood has been falsified by

geology

http://www.christianforums.com/t41209&page=1
http://www.christianforums.com/t36392
http://www.christianforums.com/t36270
http://www.christianforums.com/t36254
http://christianforums.com/t50735
http://christianforums.com/t50900
http://christianforums.com/t52191

Paleontology
http://christianforums.com/t42599
http://christianforums.com/t43339

Biogeography
http://christianforums.com/t40474

Biodiversity

http://christianforums.com/t40873

Archeology

http://christianforums.com/t52191

YEC have yet to answer any of the questions raised by these many falsifications of the global flood and this is far from being a complete list of flood falsfications.

The flood of Noah could not have been a worldwide event. We can go into all the reasons that it is absurd to think that 8 people could have cared for all the different kinds of land animals animals that every existed on a big boat during a worldwide flood if anyone wants to but I think it should be a separate thread but why do we need that falsification when we have so many others? It is a falsification but only one of many and one should be enough.

The Frumious Bandersnatch
 
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Vance

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You know, that brings up a question about flippers in particular. We see them in species which are from different lineages, and I would assume that the internal bone structure matches their lineage, not the design, like the manatees. This would clearly indicate that it is the environmental pressures which dictate the flipper outward morphology, regardless of the original species. Seems very strong evidence of evolutionary processes if you ask me.

Do we have clear examples of different species with flippers with very similar outward morphology, but whose bone structure indicates a very different origin?
 
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troodon

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Vance said:
Do we have clear examples of different species with flippers with very similar outward morphology, but whose bone structure indicates a very different origin?
I don't know about with flippers but we do with wings. Bird wings are formed by their feathers extending out from their arm which ends in a fused hand.
avewing.jpg


Pterosaurs had a wing made up of a flap of skin stretching from their body to the outmost edge of their hyper-elongated fifth digit while the other digits sort of formed a little hand halfway along the wing.
wing2.jpg


Bats have a wing also made up of a flap of skin but in this case the bat's fingers extend out in a radial pattern supporting the flap.

batskel.jpg
 
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