Land Bridge

[Xargos]

At the time of the Land Bridge, the most fearsome predatory bear in the world roamed Alaska.  The short-faced bear. 

That makes me nervous just thinking about it.

[JB88]

stop it mac or i shall taunt you a second'a time'a.

[croduh]

Wrong.  But believe what you want. 

I've bored you all enough.    Just trying to inform and educate with no malice.   <<S>>

Hello, i was being sarcastic?What the hell is with everyone being so damn serious these days

[moot]

If man came across that landbridge at the same time then how come we have no evidence of man going back more than the recently discovered Oregon poop?

Lack of evidence isn't evidence of inexistence...

That makes me nervous just thinking about it.

(Image removed from quote.)

That thing's just begging for swords and pikes to be invented.

[ROX]

It's also been widely understood that native Americans 'recycled' stone (obsideon & flint) knife & arrow/spear points of Pre-Clovis man that they found.  For collectors like myself--it means we really don't know if the knife or arrowhead in our collections are 300 or 500 years old...or 14,000 years old.

The whole "land bridge" theory needs far more research.  If they are finding 14,000 year old human feces, well...at least someone is working on it.

ROX

[midnight Target]

I'm assuming part of the reason any timeline I use will never match up is that I'm basing all off of a creationism timeline rather than the "billions and billions of years ago, when life started as germs" timeline, also.

So yours is fictional? That helps.

[MORAY37]

I'm assuming part of the reason any timeline I use will never match up is that I'm basing all off of a creationism timeline rather than the "billions and billions of years ago, when life started as germs" timeline, also.

Wow.  Just another case highlighting the old proverb, "You can lead a horse to water, but you can't make her drink."  I'm sorry you're still stuck in 18th Century dogmatic (no pun intended) thinking.  Science, however, has pressed on without you.  No offense intended, ma'am.  Thankfully, a preponderance of people on this thread have balked at your ideology.  The debate on evolution was 150 years ago...

 The feline lineage is generally considered "new" and can be tracked much like our own, through mRNA.

Despite their occasional fierceness, the domestic cat diverged from its “roaring” cousins, such as lions, jaguar and tigers, 10.8 million years ago – just after the evolution of the ancestor of all modern cats. The revelation comes from a thorough new genetic analysis of the cat family tree.

Cats are “one of the world’s most successful carnivore families, inhabiting all continents except Antarctica”, say the researchers, but modern species evolved only relatively recently – about 11 million years ago.

Originating in Asia, they successfully traversed and colonised the globe, with the periodic rise and fall of the sea level facilitating their spread and evolution into new species, suggests the study by Stephen O’Brien, Warren Johnson and colleagues at the National Cancer Institute at Frederick in Maryland, US.

As well as the domestic cat and roaring cats, other modern cat species include pumas, cheetahs, lynxes, ocelots and wildcats.

Land bridges
The cat family tree has been notoriously difficult to decipher because there are few dated cat fossils and because most of today’s species appeared so recently.

But O’Brien’s team managed to piece together a tree by analysing DNA sequences from the 37 living cat species. They used DNA from the sex chromosomes, X and Y, and from mitochondria – structures in the cell which provide energy and are inherited only via the mother.

They suggest that after modern cats arose in Asia, the eight main lineages diverged during the course of at least 10 migrations across continents. The felines used geographical features such as the Bering land bridge, which once connected Eurasia to North America, and the Panamanian land bridge, connecting North and South America, to spread across the world.

The team also suggests that 60% of the modern species arose in just the last million years.

Journal reference: Science (vol 311, p 73)

[texasmom]

Jumping on the "hey, look at this science snippit" bandwagon, eh?    Ok, that's fine ~ it's a norm. Drive on there wagoneers.

[alskahawk]

Indians came by boat.

  After ice age nearly 12,000 years ago. Many of the native nations have different stories of the migration. NW natives have many stories of arriving by foot. Chasing food across land bridge.  Some peoples in South America may have arrived by boat via south sea islands.

 Earth only 14,000 years old? Bunch of revisionist bull. File that one with the flat earth society.

 Creationists trying to change science. They want people to be as ignorant as they are. So we are supposed to believe everything in the bible but question science? Science depends on fact. Religion depends on faith.

If Adam and Eve were the first humans where did Cain get his wife?
 
There are many errors in the bible. Creation is just another one. Remember the central message; Faith

[ChickenHawk]

Looking at the Siberian tiger’s present range, it looks like the Bering Strait is way too far north for them.

I'm curious why you think the presence of a land bridge is a mark against creationism.  IMO it doesn't matter if people walked or sailed to North America, it doesn't prove or disprove the origin of life either way.

[alskahawk]

 Go back to 1st page. Claims earth is only 14,000 years old.

[VERTEX]

The existence of a Bering straight land bridge is indisputable. During the last glacial maximum, the extent of the Laurentide ice sheet is well documented and understood. A calculation of ice volume allows for a calculation of how much sea level would have dropped to accomodate the amount of ice on the continents. The Bering straight was dry.

As far as human migration goes, native north americans have asian and european roots. asians crossed the Bering straight land bridge, and europeans crossed the Atlantic from France. Remember, the latitude of central France would have been at the southern limit of the ice sheet, and would have extended across the atlantic. To cross, people would have made their way across the ice at the southern margin, hunting seals and catching fish along the way.

Modern Inuit people of northern Canada carry a majority dna of asian descent, but also carry european dna as well.

For more info on the last glacial maximum, google laurentide ice sheet, or wisconsin glaciation.

If you read closely you will also find lots of evidence that made made global warming is unsubstantiated.\

Have fun.

[Ack-Ack]

Jumping on the "hey, look at this science snippit" bandwagon, eh?    Ok, that's fine ~ it's a norm. Drive on there wagoneers.

You mentioned that you home school one of your sons.  When you teach him about this stuff, do you actually use text books or trips to the local natural history museum or do you just crack open the Bible?



ack-ack

[ChickenHawk]

Go back to 1st page. Claims earth is only 14,000 years old.

What does that have to do with it?  We've only seen a very small snippet of time and IMO it would be scientifically unsound to base all earth history on what we see around us right now.  Rapid climate change could well have happened within that time period.

Our understanding of our current climate is changing rapidly too.  One reason global warming is such a hot topic.

[ROX]

Some of the oldest rocks on earth are believed to go back some 3 Billion years.  Other rock may be older and then again it may have been subducted at "Innie" contintal shelves and later "recycled" as magma.

The problem with prehistoric man is just that, "before history". 

There is an increasing group of scientists that are beginning to ask the question...

"What IF human life on Earth didn't evolve over the epochs from algae, sea life, or even monkeys...but was BROUGHT here by extra terrestials?"

There are a number of "creationists" who point to the emergence then dissapearance of differnet kinds of human-like (Cromangnan, Neanderthal, Ostrolopicithus,  etc.) as God's "experimentation" before he decided on humans.  They figure if, at the same time, he was experimenting with animals (dinasaurs) and plantlife (and consequently wiping most of it all out before starting over)...why not with man?

Not my beliefs, mind you...but there's nobody around to disprove it.



ROX