What can be learned about a fossil based on their location in rock?
A. newer fossils are found at the bottom and older at the top
B. fossils are not found in rock
C. Older fossils are found at the bottom and newer at the top
B. older fossils are at the bottom and newer at the top
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 habitats
C. By observing them in their habitats
This evidence explains how fossils of the same animal can be found across different continents that are now separated by oceans.
A. geography
B. anatomy
C. fossils
geography
Organisms evolve separately due to environmental conditions.
a. divergent
b. convergent
c. coevolution
A. divergent
A group of wolves was separated from the population by an avalanche.
a. gene flow
b. genetic drift
c. gene shuffling
genetic drift
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. adaption
B. mutation
c. variation
A. adaption
Butterfly wings and bat wings are what type of structures?
a. homologous
b. analogous
c. vestigial
analogous
No common ancestry. Organisms evolve toward similar traits.
a. convergent
b. coevolution
c. divergent
convergent
A brown beetle decided to leave his population and join a green beetle population. This is an example of
a. genetic drift
b. gene flow
c. mutation
gene flow
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
Homologous body parts do NOT have similar
A. Locations
B. Functions
C. Structures
functions
The kit and red fox are examples of
a. convergent
b. coevolution
c. divergent
divergent
The movement of the Amish to rural areas in the United States is an example of
A. founder effect
b. bottleneck effect
c. gene flow
founder effect
A chart that divides Earth's history into units
A. Geologic time scale
B. Fossil record
C. Biological evolution
A. 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
Comparing these structures helps to identify similarities in development
a. fossils
b. continents
c. embryos
embryos
This type of evolution has analogous structures
a. convergent
b. divergent
c. coevoltuion
convergent
This increases genetic variation in a new population
a. gene flow
b. genetic drift
c. adaptation
The change over time in populations of related
A. Geologic time scale
B. Fossil record
C. Biological evolution
C. Biological evolution
What principle of natural selection focuses on carrying the beneficial trait across generations
A. overproduction
B. descent with modification
c. adaptation
descent with modification
The ant and the acacia tree...
a. convergent
b. coevolution
c. divergent
coevolution
which structure is homologous to the human arm?
A. an insect's wing
B. A bird's bill
A. an insect's wing
This can lead to lethal alleles being passed through a new population
a. gene flow
b. genetic drift
c. gene shuffling
genetic drift