Evidence for evolution
Vocabulary
Artificial/natural selection
Relationships and ancestry
Mystery
100
Fossils show evolution because they show that life on earth has _____.
a. always remained the exact same.
b. gone extinct.
c. changed over time.
c. changed over time.
100
Definition: Differences between members of the same species.
Word: ?
Variation
100
Humans breed dogs to have specific traits. Is this artificial or natural selection?
Artificial
100
What is the bear's closest relative in this cladogram?
Chimpanzee
100
Adaptations are any physical or behavioral trait that help organisms survive and _______.
reproduce
200
What type of fossil is this? 
a. Trace b. Mold c. Cast d. True form e. Amber e. Petrified remains
a. Trace
200
Definition: All members of a species die out.
Word: ?
Extinction (Extinct)
200
A scientist identifies the genetic information that codes for drought resistance from a plant, then inserts that gene into the DNA of a second plant to make it more resistant to drought.
Natural or artificial selection?
Artificial selection
200
What do the newt and lizard both have in common?
a. They're both mammals
b. They both are tetrapods.
c. They both are amniotes
b. They both are tetrapods.
200
Where did Charles Darwin make many of his discoveries about natural selection and adaptations?
Galapagos Islands
300
How does DNA show evidence for evolution?
a. There are no shared DNA sequences between different species.
b. There are many shared DNA sequences between different species.
c. DNA shows that all organisms have 46 chromosomes.
b. There are many shared DNA sequences between members of different species.
300
Definition: The physical or behavioral characteristics that help an organism survive in its environment.
Word: ?
Adaptation
300
South rabbits - brown fur, long ears
Polar region rabbits - white fur, short ears
Rabbits from the polar regions are able to blend in to avoid predators. What is this called?
Camouflage
300
Which species from this cladogram has four walking legs but no amniotic egg or hair?
Salamander
300
Which is the best definition for evolution?
a. Evolution is the process of how traits of individual organisms change over time.
b. Evolution is the process of how populations change over time.
c. Evolution shows how all species go through artificial selection.
b. Evolution is the process of how populations change over time.
400
How do embryos show evidence for evolution?
a. All organisms have identical embryos.
b. Embryos show common ancestry between different species.
c. Embryos show that only aquatic organisms have gills at any life stage.
b. Embryos show common ancestry between different species.
400
Definition: Individuals in a population that are better adapted to their environment are more likely to survive and reproduce.
Term: ?
Natural Selection
400
Describe one way artificial selection has been helpful for humans.
Examples:
-Breeding dogs to have traits/skills
-Breeding crops to have the best nutrition
-Breeding cows to increase milk production
400
Which of these statements is false?
a. The lamprey has jaws.
b. The turtle has an amniotic egg.
c. The turtle shares a common ancestor with the tuna.
a. The lamprey has jaws.
400
Mosquitos can become _______ to pesticides. This means that they are no longer affected by the chemical.
resistant
500
These bones show ____________ structures in organisms with shared ancestry. 
homologous
500
Definition: A diagram that shows the evolutionary relationships between species.
Word: ?
Cladogram
500
Male peacocks have bright, large tail feathers that impress female peahens.
Natural or artificial selection?
Natural selection
500
What is the most recent common ancestor of horned dinos and armored dinos?
Omithischians
500
What type of fossil is this?
a. Trace b. Mold c. Cast d. Amber e. Preserved remains f. Carbon film
b. Mold