Vocabulary
Natural Selection
LEVEL 1
LEVEL 1
Natural Selection
LEVEL 2
LEVEL 2
Natural Selection
LEVEL 3
LEVEL 3
Natural Selection
LEVEL 4
LEVEL 4
100
The process by which species cease to exist is called what?
Extinction
100
A body part or behavior that has lost its original, significant function over the course of evolution.
EX: Tailbone in humans
Vestigial structure
100
Only the best fit survives is called what?
Natural Selection or Survival of the fittest
100
Darwin observed that the shape of these finches _________ were well matched with the seeds available in their own distinct environment.
Beaks
100
By studying _____________ _____________ we can see the order in which different structures and organs form and emerge.
Embryonic Development
200
The process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals
Natural Selection
200
What is most likely to happen to moth populations in the picture shown? - Habitat is a light colored backgroun.
Dark moths--hunted easily, dark moths--population decreases.
200
Does natural selection typically take a long time or a short time?
Long Time
200
Body parts in different species that have a similar underlying anatomy and origin from a common ancestor. The structures shown in the image can be described as what?
Homologous Structures
200
Fossils of organisms that are in between two species are called _________ forms.
Transitional
300
What is a change in a gene that results in a new trait?
Mutation
300
_______ show evidence of evolution through gradual change of physical structures over millions of years.
Fossils
300
In an arctic environment, which would survive longer: red foxes or white foxes?
White foxes
300
When evolution takes place because of a catastrophic event we can call this what?
**** DOUBLE JEOPARDY ****
Punctuated Equilibrium
300
Who authored the book 'On the Origin of Species by Means of Natural Selection'?
AKA - who is the father of evolution?
What is Charles Darwin?
400
A TRAIT that helps an organism to survive and reproduce in its environment.
*Hint: This organism is best _________*
Adaptation or Adapted
400
What would happen if the environment changes drastically and no organisms have fitting adaptations?
The species could go extinct
400
Different species may share physical features because they also share a what?
Common Ancestor
400
Can an organism "CHOOSE" to evolve and change?
No, organisms CANNOT CHOOSE to change their genes or traits!
400
Sometimes we observe evolution in action in just a few months or years, this can happen due to strong ___________ __________.
Selective Pressure
500
Differences between different individuals of a population
Variation
500
During natural selection, what occurs between the populations with different traits to ensure they survive?
Competition
500
Selection is done by humans and focuses on the traits that we find to be the most valuable to us.
Artificial Selection
500
Darwin began to hypothesize that organisms developed traits over time because of the differences in their ___________.
Environments
500
A characteristic that an organism can pass on to its offspring through its genes.
Trait