Where's the evidence?
It's only natural
Theoretically
Random
100
A trace of an ancient organism that has been preserved in rock
What is a Fossil?
100
One extreme trait is favored
What is directional selection
100
He is considered the father of evolution?
Who is Charles Darwin?
100
Give 2 examples of Trace Fossils
what are coprolites and tracks
200
Which of these is oldest organism?
What is E?
200
A trait that helps an organism survive and reproduce
What is an adaptation?
200
A gradual change in a species over time
What is evolution?
200
selects against the average phenotypes in favor of extreme phenotypes
What is Disruptive Selection
300
Which one of these animals is most closely related to a dinosaur?
What is bird?
300
Which population will increase in this environment?
What is a brown?
300
Birds and reptiles have similar traits and DNA, they most likely share ______________________.
What is a common ancestor?
300
What does the fossil record show us about evolution?
(Hint: time)
It happened slowly over a long period of time
400
Structures in different species that are similar because of common ancestry.
What are homologous structures?
400
This occurs when an environment changes and an organism with certain traits is more likely to survive and reproduce.
What is natural selection?
400
Organisms may have adaptations that allow them to be better suited to the environment. These traits are not acquired in their lifetime, but they are __________________.
What are inherited?
400
Causes some genes to be removed from a population because of a sharp decline in the population due to a natural disaster
Double Jeopardy
What is Bottle-Neck effect
500
what type of selection is this
What is stabilizing selection?
500
The source of variation within a species
What is mutation and sexual reproduction?
500
According to Darwin, what species will not survive?
Double Jeopardy!!
What is the species least adapted to their environment
500
Some scientists theorize that life originated.........
What is the bottom or surface of the ocean