Transcript Creation-students

The Heavens and the Earth.
• In the beginning, stellar dust, elemental
particles, and space debris gathered into a
mass.
• Around ___________________ and enough
meteor bombardments, the Earth heated and
melted causing the elements to
____________________________.
• The rearrangement provided a beautiful
_____________________________________
____________________________________.
The light and darkness.
• The atmosphere would originally have been
made up of
_____________________________________
_____________________________________
____________________.
• Once an atmosphere formed the sky would
show
____________________________________.
The water and the dry land.
• About _________________ the Earth cooled
enough for the rock to
_________________________
• About _____________________ the Earth
cooled further and
__________________________________.
• The water covered most of the land creating
a primitive “_____________________”.
Plants and fruits and seed
bearers.
• How does the world go from “organic
soup” meaning all the elements needed
for an organic molecule: carbon,
hydrogen, oxygen, nitrogen,
phosphorous, etc. to complex organic
molecules?
Miller and Urey Life in a Bottle
• Recreated conditions of
early Earth
(atmosphere, sunlight,
heat, and soup).
• Struck the system with
energy (simulated
lightening) and then let
the system set.
• ___________________
___________________
___________________
___________________.
From Amino Acid to DNA drivenreproducing bacterial life.
• Once organic molecules were available
in the Oceanic Soup, they could
________________________________
________________________________.
• We can create these in lab conditions
and they are “___________________”.
As nucleic acids condense:
• As the nucleic acids created in the lightening
storms bonded,
__________________________________.
• In modern cells, some short RNA and DNA
sequences can _________________ (i.e. they
don’t need enzymes or each other to copy
themselves.)
• Perhaps, _________________ was the start
of modern reproducing life.
Let the waters teem with life.
• Once the single celled organisms evolved, life
teemed with these microscopic creatures-as
evidenced by _________________________.
• As _________________ began to occur in
these small creatures they slowly poisoned
themselves with highly reactive and toxic (to
them) _____________________.
The breath of life.
• As ________________________ reactions
occurred all over the planet.
• The ocean turned from _________ to the clear
blue we have today as the water
______________ and the rust sank to the
bottom of the ocean.
• The sky shifted from a
__________________________________.
• Many of the little oxygen producers could not
protect themselves from the highly reactive and
poisonous oxygen, dying out and leaving only
fossils on the Earth.
Let us make man.
• About _________________, prokaryotic
cells started evolving again, gaining
____________________ and becoming
very primitive __________________.
• __________________________!
• These cells engulfed small photosynthetic
cells and viola! The ____________.
• These cells engulfed small aerobic bacteria
and viola! The ____________________.
A companion.
• As ______________________ developed in
Eukaryotes, the possibility and potential for
adaptation increased dramatically and sped
up the natural course of evolution.
• And so, a process that began 4.5 billion years
ago, required 3 billion years for multi-cellular
life to begin now speeds toward ever
increasing and complex life forms.
Rest!
• No homework tonight except to work
on your Brookfield Zoo Paper!