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Question 1 - 10

Remains or imprints of once-living organisms

Answer 1 – 10

• What are fossils?

Question 1 - 20

• Becomes a look alike for the organism that once existed

Answer 1 – 20

• What is a cast?

Question 1 - 30

• Uses rock layers to compare ages of different fossils

Answer 1 – 30

• What is relative dating?

Question 1 - 40

• Uses radioactive elements to tell how old something is

Answer 1 – 40

• What is absolute dating?

Question 1 - 50

• Formed when an organism buried in sediment decays

Answer 1 – 50

• What is a mold?

Question 2 - 10

• The probability that an organism will be able to reproduce in its environment

Answer 2 – 10

• What is fitness?

Question 2 - 20

• A change in behavior or body which help an organism survive in its environment

Answer 2 – 20

• What is an adaptation?

Question 2 - 30

• Changes in genes which are passed down to future generations

Answer 2 – 30

• What are mutations?

Question 2 - 40

• Traits which are not genetic, but are developed during an organism’s lifetime

Answer 2 – 40

• What are acquired traits?

Question 2 - 50

• Difference from the normal body or behavior of a species

Answer 2 – 50

• What is variation?

Question 3 - 10

• The theory that the genetic code of a species can change from generation to generation over time

Answer 3 – 10

• What is evolution?

Question 3 - 20

• The theory that speciation occurs in very small steps over a long period of time

Answer 3 – 20

• What is gradualism?

Question 3 - 30

• The theory that speciation occurs in occasional periods of extreme change, between long periods of no change

Answer 3 – 30

• What is punctuated equilibrium?

Question 3 - 40

• The theory that organisms which are better adapted to their environments are more likely to survive, reproduce, and pass their traits on to future generations

Answer 3 – 40

• What is natural selection?

Question 3 - 50

• The theory that a meteor covered the earth with dust that blocked out the sun, resulting in the death of all dinosaurs, would explain this.

Answer 3 – 50

• What is mass extinction?

Question 4 - 10

• They look alike except for the color of their wings.

Answer 4 – 10

• What are peppered moths?

Question 4 - 20

• They look alike except for the body parts that help them get food.

Answer 4 – 20

• What are Darwin’s finches?

Question 4 - 30

• The oldest fossils of this species look more like land mammals than they look like their modern day equivalent.

Answer 4 – 30

• What are whales?

Question 4 - 40

• Sometimes fossils show that this older version of any organism looks very different from its current version.

Answer 4 – 40

• What is an ancestor?

Question 4 - 50

• Peppered moths are more likely to survive if they look like this.

Answer 4 – 50

• The bark of the tree they sleep on.

Question 5 - 10

• A cast fossil can only form if this exists first.

Answer 5 – 10

• Mold fossil

Question 5 - 20

• Hummingbird beaks getting longer as the flowers they pollinate become deeper is an example of this type of change.

Answer 5 – 20

• Coevolution

Question 5 - 30

• Flippers in a dolphin and wings in a bird are an example of these structures.

Answer 5 – 30

• What are analogous structures?

Question 5 - 40

• A single species may separate into 2 types of organisms which can no longer be considered variations within the same species

Answer 5 – 40

• What is speciation?

Question 5 - 50

• One species becomes geographically separated into 2 groups, and eventually those 2 groups become separate species.

Answer 5 – 50

• What is geographic speciation?