Vocabulary
The process where plants turn sunlight into food
Photosynthesis
According to the Big Bang Model, the universe began expanding this many years ago.
14 billion
10 billion years after the Big Bang (4 billion years ago), this plucky little planet formed.
Earth
The first life on earth
Bacteria (cyanobacteria) OR prokaryote
An animal with a chitin exoskeleton
Arthropod
An event where 90% of life is extinguished
Mass Extinction
About 300 million years after the Big Bang, the first of these form.
Stars
A collision with the earth produced this celestial body.
The Moon
Sedimentary like fossils left from the first microbial life
Stromalite
This living fossil is harvested for its blue blood
Horseshoe Crab
Animals that live part of their life cycle in water, and part on land.
Amphibians
Before the birth of stars, the universe was made up of mostly these two elements
Hydrogen and Helium
Earth's atmosphere originally lacked this vital element
Oxygen
This event marks a rapid expansion of new life forms on Earth
Cambrian Explosion
organisms whose cells have a nucleus
Eukaryotes
The first, small continents
shield or craton
This is how super massive stars end their life
Supernova
The core of the earth is made out of this element
Iron
Living things that have not changed much in millions of years are called
Living Fossils
The arm and hand structure common to most animals, including humans, whales, and bats can be traced to this animal.
Tiktaalik (roseae)
Single cell organisms without a nucleus
Prokaryote
The gas cloud left behind after a supernova
Nebula
Where most of Earth's water like came from
Space (meteorites/comets)
Animals without backbones
Invertebrate
During the Carboniferous period, this super continent formed.
Pangea