Which Came First?
Isotopes
Natural Selection
Vocabulary
Potpourri
100
Abiotic event: Which came first: atmospheric oxygen reaching 2% OR formation of land masses?
What is atmospheric oxygen reaching 2%.
100
Radioactivity of an isotope depends on the number of these.
What is neutrons.
100
Over time, a generation will __.
What is change.
100
A measurement used to date fossils and rocks.
What is half-life.
100
Describe biotic and abiotic.
What is living parts of an environment (biotic), non-living parts of an environment (abiotic).
200
Biotic event: Which came first: Bacteria and prokaryotes OR first known plants?
What is bacteria and prokaryotes.
200
-When isotopes are broken down, the reason is because they are __.
What is unstable.
200
True or False: Individuals evolve.
What is false.
200
A bone from an organism long ago that had been buried in the Earth.
What is fossil.
200
A print that an organism leaves in sand or mud that keeps the same shape in the material.
What is imprint.
300
Biotic event: Which came first: Mammals or dinosaurs?
What is mammals.
300
The process of breaking down unstable isotopes is called __.
What is radioactive decay.
300
The theory of evolution by natural selection was developed by:
Who is Darwin and Wallace.
300
When the surface of the earth shifts due to weather conditions.
What is erosion.
300
Explain acquired characteristics.
What is characteristics that organisms get after being born.
400
Biotic event: Which came first: adaptation of insects to land OR adaptation of plants to land?
What is adaptation of plants to land.
400
Which is more stable: parent or daughter element?
What is daughter.
400
Name the four parts of natural selection.
What is adaptation, variation, selection, and genetic change overtime.
400
Any trait, characteristic, or behavior that helps an organism to survive to reproduce.
What is adaptation.
400
Describe genetic change.
What is the organisms that survive pass on their genes.
500
Name the LAST known abiotic event.
What is the most recent ice age.
500
This is a process used by scientists to measure the amount of isotopes in rocks.
What is radiometric dating.
500
Darwin and Wallace's theory of evolution by natural selection failed to explain how:
What is new genetic varieties can appear in a population every generation.
500
There are genetic differences between individual members of a species.
What is variation.
500
Name ONE thing evidence of evolutionary relationships is based on.
What is anatomical evidence, embryological likeness, fossil record, biochemical likeness, or DNA analysis.
M
e
n
u