what did birds alligators and dinosaurs all have in common their inescapably
all have in common their inescapably
all have in common their inescapably tied to the same family tree a tree that
tied to the same family tree a tree that
tied to the same family tree a tree that dates back 230 million years with one
dates back 230 million years with one
dates back 230 million years with one branch leading to the evolution of
branch leading to the evolution of
branch leading to the evolution of crocodiles and alligators and the other
crocodiles and alligators and the other
crocodiles and alligators and the other branch expanding into dinosaurs and
branch expanding into dinosaurs and
branch expanding into dinosaurs and eventually to their nearest kin birds so
eventually to their nearest kin birds so
eventually to their nearest kin birds so one of the best ways to understand
one of the best ways to understand
one of the best ways to understand dinosaurs is to study the similarities
dinosaurs is to study the similarities
dinosaurs is to study the similarities and differences they share with their
and differences they share with their
and differences they share with their closest living relatives
closest living relatives
closest living relatives alligators look a lot like how we
alligators look a lot like how we
alligators look a lot like how we imagine dinosaurs that they were living
imagine dinosaurs that they were living
imagine dinosaurs that they were living today with scaly armor-plated skin and a
today with scaly armor-plated skin and a
today with scaly armor-plated skin and a lethal set of chompers but ironically
lethal set of chompers but ironically
lethal set of chompers but ironically that’s just a coincidence they’re
that’s just a coincidence they’re
that’s just a coincidence they’re actually quite different one way to tell
actually quite different one way to tell
actually quite different one way to tell them apart is that most reptiles have
them apart is that most reptiles have
them apart is that most reptiles have bent legs that spread out alongside
bent legs that spread out alongside
bent legs that spread out alongside their body many dinosaurs whether on two
their body many dinosaurs whether on two
their body many dinosaurs whether on two feet or four walked with their legs
feet or four walked with their legs
feet or four walked with their legs underneath them another distinction is
underneath them another distinction is
underneath them another distinction is in their metabolism alligators and
in their metabolism alligators and
in their metabolism alligators and crocodiles they aren’t able to maintain
crocodiles they aren’t able to maintain
crocodiles they aren’t able to maintain a constant body temperature but rather
a constant body temperature but rather
a constant body temperature but rather they take on the temperature of their
they take on the temperature of their
they take on the temperature of their surroundings and even though it’s still
surroundings and even though it’s still
surroundings and even though it’s still a controversial topic within the
a controversial topic within the
a controversial topic within the paleontologists world recent findings
paleontologists world recent findings
paleontologists world recent findings suggest that dinosaurs just may have
suggest that dinosaurs just may have
suggest that dinosaurs just may have been warm-blooded and highly active
been warm-blooded and highly active
been warm-blooded and highly active creatures despite the way they’re
creatures despite the way they’re
creatures despite the way they’re depicted in popular Hollywood
depicted in popular Hollywood
depicted in popular Hollywood these two cousins do share a very
these two cousins do share a very
these two cousins do share a very interesting trait involving air and the
interesting trait involving air and the
interesting trait involving air and the way that they breathe along with their
way that they breathe along with their
way that they breathe along with their third family member birds they all
third family member birds they all
third family member birds they all possess a hyper efficient breathing
possess a hyper efficient breathing
possess a hyper efficient breathing system probably evolved from a common
system probably evolved from a common
system probably evolved from a common ancestor
ancestor
ancestor it’s called one-way airflow an intricate
it’s called one-way airflow an intricate
it’s called one-way airflow an intricate network of air sacs that help extract
network of air sacs that help extract
network of air sacs that help extract and provide a constant flow of oxygen
and provide a constant flow of oxygen
and provide a constant flow of oxygen into the lungs with each breath twice as
into the lungs with each breath twice as
into the lungs with each breath twice as much oxygen in fact as humans can pump
much oxygen in fact as humans can pump
much oxygen in fact as humans can pump through their lungs when comparing birds
through their lungs when comparing birds
through their lungs when comparing birds and dinosaurs however there are numerous
and dinosaurs however there are numerous
and dinosaurs however there are numerous traits that immediately dinosaurs like
traits that immediately dinosaurs like
traits that immediately dinosaurs like t-rex share with their direct
t-rex share with their direct
t-rex share with their direct descendants the most groundbreaking
descendants the most groundbreaking
descendants the most groundbreaking characteristics were discovered in 1861
characteristics were discovered in 1861
characteristics were discovered in 1861 we’re a strange 150 million year old
we’re a strange 150 million year old
we’re a strange 150 million year old fossil was found buried deep within a
fossil was found buried deep within a
fossil was found buried deep within a mine Archaeopteryx was an enigma the
mine Archaeopteryx was an enigma the
mine Archaeopteryx was an enigma the size of a crawl only with razor-sharp
size of a crawl only with razor-sharp
size of a crawl only with razor-sharp teeth it resembled more of a lizard but
teeth it resembled more of a lizard but
teeth it resembled more of a lizard but with feathered wings
with feathered wings
with feathered wings this discovery provided the first hard
this discovery provided the first hard
this discovery provided the first hard evidence that some dinosaurs evolved
evidence that some dinosaurs evolved
evidence that some dinosaurs evolved into birds then in 1994 a Chinese farmer
into birds then in 1994 a Chinese farmer
into birds then in 1994 a Chinese farmer named Li Yin Phan discovered a
named Li Yin Phan discovered a
named Li Yin Phan discovered a completely intact dinosaur fossil about
completely intact dinosaur fossil about
completely intact dinosaur fossil about the size of a turkey and covered in hair
the size of a turkey and covered in hair
the size of a turkey and covered in hair like down feathers it was called
like down feathers it was called
like down feathers it was called Sinosauropteryx and it’s feather like
Sinosauropteryx and it’s feather like
Sinosauropteryx and it’s feather like filament was a crucial link between
filament was a crucial link between
filament was a crucial link between landlocked dinosaurs and modern winged
landlocked dinosaurs and modern winged
landlocked dinosaurs and modern winged birds birds alligators and dinosaurs
birds birds alligators and dinosaurs
birds birds alligators and dinosaurs forever linked in evolutionary history
forever linked in evolutionary history
forever linked in evolutionary history and just like any family tree not every
and just like any family tree not every
and just like any family tree not every member looks and acts the same but one
member looks and acts the same but one
member looks and acts the same but one thing can be said about this motley crew
thing can be said about this motley crew
thing can be said about this motley crew they all have one nasty white
they all have one nasty white
they all have one nasty white you
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