Genetics
Geologic Time
Natural Selection
Anatomical Structures
Random
100
This is where genes are located.
What is in the chromosomes or on the DNA.
100
Earth's earliest atmosphere lacked which gas that is necessary for life to exist as we know it today?
What is oxygen?
100
Any trace or remains of a once-living organsim that has been preserved by natural processes.
What is a fossil?
100
Homologous or Analogous Structures are shown below.
What are homologous?
100
This is the largest star in our solar system.
What is the sun?
200
These are the threadlike structures that contain DNA.
What are chromosomes?
200
Which layer is the oldest, C or F?
What is F?
200
A seemingly random appearance of a new trait in an organism.
What is a mutation?
200
Homologous or Analogous structures?
What are analogous?
200
This is the force that keeps all of the planets in orbit.
What is gravity?
300
These are inherited traits that an offspring gets from their parents.
What are genes?
300
This is the word that means "change over time".
What is evolution?
300
This is the difference between homologous structures and analogous structures?
What is homologous has the same structures but different functions, analogous has different structures but similar functions?
300
This is the length of one revolution around the sun.
What is 365 days?
400
This is the number of chromosomes humans have.
What is 46 or 23 pairs?
400
Fossils are found primarily in this type of rock.
What is sedimentary?
400
Any kind of inherited trait that improves an organism's chances of survival and reproduction in a given environment.
What is an adaptation?
400
Homologous or Analogous?
What is homologous?
400
How long does a rotation of the earth around it's axis take?
What is 24 hours?
500
This is what happens when there is a change in the gene sequence which can cause a change in protein resulting in a different trait.
What is a mutation?
500
Put the following in order from oldest to youngest:
A) Oceans form on Earth’s surface as it begins to cool and harden
B) Early single-celled bacteria release oxygen in the air
C) Earth is a ball of dust, rock, and ice in space; gravity causes accretion of material
What is C, A, then B?
500
The process whereby organisms that have advantages survive and pass their genes onto their offspring.
What is natural selection?
500
Homologous or Analogous?
What is homologous?
500
What is the name for the path that a planet takes around the Sun?
What is an orbit?