Chapter 6 Quiz

What is relative dating?

• Determining the age of an object in comparison to another object.

• Using radioactive isotopes to calculate the exact age of a rock.

• Measuring the decay of carbon-14 to find the age of an artifact.

What is the law of superposition?

• That in layers of sedimentary rock, the youngest layer is at the top. As you go further, each layer below is older.

• That igneous rock holds fossils.

• The Ms. Camp has super powers

What criteria does a fossil need to be considered an index fossil?

• abundant

• widespread

• short existence

• all of the above

What may a series of helpful variations in a species result in?

• competition

• fossils

• adaptation

• climatic change

Which of the following is NOT an adaptation?

• A polar bear's white fur blending with the snow.

• A chameleon changing its skin color to match its surroundings.

• A giraffe having a long neck to reach leaves on tall trees.

• A person wearing a hat to protect themselves from the sun.

What is the difference between mimicry and camouflage?

• Mimicry is when an organism blends with its surroundings, while camouflage is when an organism imitates another organism.

• Mimicry is when an organism imitates another organism, while camouflage is when an organism blends with its surroundings.

• Mimicry and camouflage are the same thing.

• Mimicry is when organisms change their behavior, while camouflage is when organisms change their physical appearance.

Which of the following is an example of camouflage?

• A bird mimicking the call of a different bird species.

• A snake blending with the color and pattern of tree bark.

• A flower producing a scent to attract pollinators.

• A fish swimming swiftly to escape a predator.

What is natural selection?

• The process of humans intentionally choosing desirable traits in plants and animals.

• The process of organisms adapting to their environment over time.

• The process of breeding plants and animals to create specific traits.

• The process of organisms changing their behavior so they can be responsible adults

How do scientists believe natural selection contributes to evolution?

• It causes organisms to develop traits that are not beneficial.

• It keeps the traits of organisms constant over time.

• It leads to the extinction of species.

• It allows organisms with advantageous traits to survive and reproduce.

Which of the following is an example of natural selection?

• Humans breeding horses for speed.

• Bees collecting nectar from flowers.

• Birds learning how to build nests.

• Bacteria developing resistance to antibiotics.