Scientists think the age of the earth is this long.
______________
What is 4.6 Billion years old?
100
These fossils can be footprints, bite marks, nests, and droppings.
What is a trace fossil?
100
He formed the Theory of Evolution by means of Natural Selection.
Who is Charles Darwin?
100
Darwin sailed here and observed the unique wild life.
A. Caribbean
B. Galapagos
C. Mediterranean
What is the Galapagos Islands?
100
This is the oldest and longest era of earth.
What is the Precambrian?
200
This primitive organism is the oldest know life form based on the fossil record. 3.5 billions years old!
A. colored bacteria
B. cyanobacteria
C. bacteria
What is cyanobacteria?
200
These fossils can be formed when mud around the dead animal makes a mold of it.
What is a mold fossil?
200
He created the binomial nomenclature--Father of Taxonomy
Who is Carolus Linnaeus?
200
This is a PROCESS where some organisms survive better to reproduce and pass on their genes.
A. selective breeding
B. genetic engineering
C. natural selection
What is natural selection?
200
During this era,plants colonized the land, fish, and amphibians appeared.
What is the Paleozoic?
300
The early chemicals present on earth billions of years ago were called this.
A. soup
B. medieval soup
C. primordial soup
What is the primordial soup?
300
This fossil occurs when a small animals gets stuck in tree sap, the sap eventually hardens into amber preserving the body.
What is a resin fossil?
300
He placed the primordial soup ingredients info a flask and sent a spark through it.
Who is Stanley Miller?
300
These are groups of individuals that can produce fertile offspring.
A. organisms
B. animals
C. species
What is a species?
300
This era is the Age of Reptiles.
What is the Mesozoic?
400
Daily Double!
Scientists think this struck the primordial soup ingredients to create the basic building blocks of life.
______________
What is lightning?
400
This fossil can happen when a body is buried in mud, the soft parts rot away, bone is left and in compressed by layers of sediment and minerals in the mud harden and change the bone into stone.
What is a body fossil?
400
Daily Double!
This scientist thought acquired traits could be passed onto offspring, but his ideas were rejected.
Who is Jean-Baptiste Lamarck?
400
This is the diversity of life forms on earth.
What is biodiversity?
400
This era is the Age of Mammals.
What is the Cenozoic?
500
Cyanobacteria pumped this into the atmosphere, creating an ozone layer.
Hint: Cyanobacteria is photosynthetic!
__________
What is oxygen?
500
These scientists study fossils.
A. Biologists
B. Paleontologists
C. Chemists
What are Paleontologists?
500
If a population of species is separated into 2 geographical areas, they will begin to adapt to their separate environments. Over time, they won't be able to breed and have offspring. They will become new species over a long period of time.