there’s an incredible group of animals out there called the echinoderms they
out there called the echinoderms they
out there called the echinoderms they can actually regenerate a lost body part
can actually regenerate a lost body part
can actually regenerate a lost body part so a kind of derm essentially just means
so a kind of derm essentially just means
so a kind of derm essentially just means spiny skin so derm like dermis so skin
spiny skin so derm like dermis so skin
spiny skin so derm like dermis so skin and a chi know is sort of spiny so sort
and a chi know is sort of spiny so sort
and a chi know is sort of spiny so sort of spiny skinned so it’s sea urchins sea
of spiny skinned so it’s sea urchins sea
of spiny skinned so it’s sea urchins sea cucumbers brittle stars and sea stars
cucumbers brittle stars and sea stars
cucumbers brittle stars and sea stars they sort of all fall in this a kind of
they sort of all fall in this a kind of
they sort of all fall in this a kind of derm group in general the padded domes
derm group in general the padded domes
derm group in general the padded domes are filing with an incredible capacity
are filing with an incredible capacity
are filing with an incredible capacity for regeneration if you’re a sea
for regeneration if you’re a sea
for regeneration if you’re a sea cucumber you know you don’t move very
cucumber you know you don’t move very
cucumber you know you don’t move very fast but if something’s trying to get at
fast but if something’s trying to get at
fast but if something’s trying to get at you and you got to give them something
you and you got to give them something
you and you got to give them something interesting sea cucumbers will actually
interesting sea cucumbers will actually
interesting sea cucumbers will actually eviscerate essentially throw up their
eviscerate essentially throw up their
eviscerate essentially throw up their entire stomach can then regrow that
entire stomach can then regrow that
entire stomach can then regrow that entire stomach tract if you don’t have a
entire stomach tract if you don’t have a
entire stomach tract if you don’t have a lot of abilities to make toxins if you
lot of abilities to make toxins if you
lot of abilities to make toxins if you don’t have an ability to make ink you
don’t have an ability to make ink you
don’t have an ability to make ink you know you’ve got to find other ways to
know you’ve got to find other ways to
know you’ve got to find other ways to escape take something like a brittle
escape take something like a brittle
escape take something like a brittle start it can just drop off an arm in
start it can just drop off an arm in
start it can just drop off an arm in order to escape and regrow a new one
order to escape and regrow a new one
order to escape and regrow a new one there’s connective tissue holding the
there’s connective tissue holding the
there’s connective tissue holding the arm together and so when it sort of
arm together and so when it sort of
arm together and so when it sort of senses this disturbance something
senses this disturbance something
senses this disturbance something inherent says there’s a problem we need
inherent says there’s a problem we need
inherent says there’s a problem we need to escape and so they will fight that
to escape and so they will fight that
to escape and so they will fight that arm tissue and just drop the arm and
arm tissue and just drop the arm and
arm tissue and just drop the arm and swim away you have this initial healing
swim away you have this initial healing
swim away you have this initial healing formation so it’s called the blastema
formation so it’s called the blastema
formation so it’s called the blastema that’s sort of the new forming arm and
that’s sort of the new forming arm and
that’s sort of the new forming arm and even over just a period of a few days
even over just a period of a few days
even over just a period of a few days you can sort of begin to see it growing
you can sort of begin to see it growing
you can sort of begin to see it growing and then it you can beginning to see its
and then it you can beginning to see its
and then it you can beginning to see its segments so it’s really a fascinating
segments so it’s really a fascinating
segments so it’s really a fascinating process
process
process [Music]
[Music]
[Music] it doesn’t necessarily make a lot of
it doesn’t necessarily make a lot of
it doesn’t necessarily make a lot of sense in a way because it’s very
sense in a way because it’s very
sense in a way because it’s very energetically expensive to make new body
energetically expensive to make new body
energetically expensive to make new body parts for whatever reason this group has
parts for whatever reason this group has
parts for whatever reason this group has decided and this is the way we’re gonna
decided and this is the way we’re gonna
decided and this is the way we’re gonna evade predators it’s really interesting
evade predators it’s really interesting
evade predators it’s really interesting is this may actually lead to some long
is this may actually lead to some long
is this may actually lead to some long live properties fact they’ve found sea
live properties fact they’ve found sea
live properties fact they’ve found sea urchins that are almost 200 years old
urchins that are almost 200 years old
urchins that are almost 200 years old are those animals just replacing lost
are those animals just replacing lost
are those animals just replacing lost and damaged body parts how else is the
and damaged body parts how else is the
and damaged body parts how else is the sea return going to live for 200 years
sea return going to live for 200 years
sea return going to live for 200 years you know maybe something’s happening
you know maybe something’s happening
you know maybe something’s happening we’re in a tissue deteriorates that can
we’re in a tissue deteriorates that can
we’re in a tissue deteriorates that can regenerate that tissue we don’t know
regenerate that tissue we don’t know
regenerate that tissue we don’t know [Music]
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