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Question Remains or imprints of once-living organisms

Answer 1 – 10 What are fossils?

Question Becomes a look alike for the organism that once existed

Answer 1 – 20 What is a cast?

Question Uses rock layers to compare ages of different fossils

Answer 1 – 30 What is relative dating?

Question Uses radioactive elements to tell how old something is

Answer 1 – 40 What is absolute dating?

Question Formed when an organism buried in sediment decays

Answer 1 – 50 What is a mold?

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

Answer 2 – 10 What is fitness?

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

Answer 2 – 20 What is an adaptation?

Question Changes in genes which are passed down to future generations

Answer 2 – 30 What are mutations?

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

Answer 2 – 40 What are acquired traits?

Question Difference from the normal body or behavior of a species

Answer 2 – 50 What is variation?

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

Answer 3 – 10 What is evolution?

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

Answer 3 – 20 What is gradualism?

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

Answer 4 – 10 What are peppered moths?

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

Answer 4 – 20 What are Darwin’s finches?

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

Answer 4 – 50 The bark of the tree they sleep on.

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

Answer 5 – 10 Mold fossil

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

Answer 5 – 20 Coevolution

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

Answer 5 – 30 What are analogous structures?

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

Answer 5 – 50 What is geographic speciation?