Fossil Evidence of Evolution
What can be learned about a fossil using relative-age dating?
A. its age in years
B. its age compared to other fossils
C. Its age based on radioactive decayB. its age compared to other fossils
How did Charles Darwin study plants and animals?
A. By making scientific models
B. By experimenting in the laboratory
C. By observing them in their habitatsC. By observing them in their habitats
A. variation
B. Adaptation
C. MineralizationC. Mineralization
Studying relationships between organisms by comparing their structures
A. Comparative anatomy
B. Embryology
A. Comparative anatomy
Studying biological evolution by examining homologous structure
A. A molecular biology
B. Comparative anatomy
B. Comparative anatomy
What is a major cause of extinctions
A. Biological evolution
B. carbonization and mineralization
C. Environmental change
C. Environmental change
A jackrabbit's powerful legs are an example of a
A. Structural adaption
B. Functional adaption
A. Structural adaption
The sudden disappearance of a type of fossil in the fossil record is evidence of
A. extinction
B. Camouflage
C. Carbonization
A. extinction
A. Embryology
B. Molecular Biology
A. Embryology
A. Embryology
B. Molecular biology
A. Embryology
All the fossils ever discovered on Earth
A. Geologic time scale
B. Fossil record
C. biological evolution
B. Fossil record
Mutations in Genes cause
A. Competition
B. Variation
B. Variation
A. Locations
B. Functions
C. Structures
B. Functions
Studying relationship between organisms by comparing their genes and proteins
A. molecular biology
B. Comparative anatomy
A. molecular biology
Studying biological evolution by using the rate of mutations in genes as a tool
A . Molecular Biology
B. Embryology
A . Molecular Biology
A chart that divides Earth's history into units
A. Geologic time scale
B. Fossil record
C. Biological evolutionA. Geologic time scale
According to Darwin's theory, what process causes populations to change as their environment changes?
A. Natural selection
B. Selective Breeding
A. Natural selection
Patterns in the Fossil record show that species on Earth
A. change over time
B. adapt to all environment changes
A. change over time
which situation offers evidence of extinction?
A. disappearance of a type of fossil in the fossil record
B. Appearance of several fossils with similar body plans
A. disappearance of a type of fossil in the fossil record
Studying biological evolution by analyzing vestigial structure
A. Molecular Biology
B. Comparative Anatomy
B. Comparative Anatomy
The change over time in populations of related
A. Geologic time scale
B. Fossil record
C. Biological evolution
C. Biological evolution
Charles Darwin was Naturalist?
A. True
B. False
A. True
What determines how closely related two species are?
A. How recently they shared a common ancestor
B. how closely they live to one another
A. How recently they shared a common ancestor
which structure is homologous to the human arm?
A. an insect's wing
B. A bird's bill
A. an insect's wing
Studying biological evolution by determining similarity in organisms of cytochrome C
A. Molecular Biology
B. Embryology
A. Molecular Biology