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WorksheetsHistory of Life on Earth & Speciation Test Review
Total questions: 26
Worksheet time: 15mins
How old is Earth estimated to be?
3.5 billion years
4.6 billion years
4 billion years
2 billion years
How is life on Earth impacted by changing climate and geology (such as moving continents)?
Life must evolve to adapt to Earth's changes or go extinct
Life may evolve due to Earth's changes but do not have to
Earth's changes do not impact how life evolves
Earth's changes always cause extinctions
Where did the oxygen found in Earth's atmosphere and oceans come from. Select 2 correct answers.
All eukaryotic cells
Photosynthetic prokarotes
Plants
All prokaryotic cells
Evidence supports that why type of life originated first on Earth?
Humans
Prokaryotes
Eukaryotes
Multicellular life
What was the purpose of the experiment in the diagram?
To show how oxygen was released into the atmosphere
To show how organic compounds could form in ancient Earth
To show how eukaryotic organisms could form
To show how prokarytoic organisms could form
What theory is used to explain how eukaryotic organisms formed through a symbiotic relationship between ancient prokaryotes?
RNA World Hypothesis
Theory of Endosymbiosis
Theory of Natural Selection
Theory of Evolution
What do scientist use as their primary source of evidence for how life evolved on Earth millions of years ago?
Fossil Record
DNA from ancient organisms
Ice Samples
Life specimens
Which of the following best explain background extinction?
Slow and steady die out of species
Large numbers of species die out in a short period of time
Ecosystems and food webs are destroyed
Occurs due to catastrophic events
When large numbers of species die out in a short period of geologic time (2.8 million years or less) that causes ecosystems to be destroyed, what has occurred?
Background Extinction
Gradualism
Mass Extinction
Endosymbiosis
What type of evolutionary rate of change in a species is depicted in the diagram at letter A?
Gradualism
Punctuated Equillibrium
Endosymbiosis
Mass Extinction
What type of evolutionary rate of change in a species is depicted in the diagram at letter B?
Gradualism
Punctuated Equillibrium
Endosymbiosis
Mass Extinction
Which of the following represent organelles that are believed to have formed from early prokaryotes through the Theory of Endosymbiosis?
Ribosome
Mitochondria
Chloroplast
Vacuole
Which fossil would you expect to be more structurally advanced?
A
B
What type of evolution rate is most often seen after a mass extinction?
Gradualism
Punctuated Equilibrium
Steady Equilibrium
There is no specific rate found
What is the definition of a species?
Must interbreed and produce fertile offspring
They must live in the same area
They interbreed but do not have to have fertile offspring
They must require the same resources to survive
What traits do crayfish and grasshoppers share in common?
Wings
Exoskeleton
Jaws
Tetrapod
What organism shares the most recent common ancestor with humans?
Rats
Pigeon
Frog
Perch
What number represents the most common ancestor between species B and D?
1
2
3
4
When a population separates and can no longer interbreed to produce fertile offspring, what has occurred?
Reproductive Isolation
Gradualism
Genetic Drift
Adaptive Radiation
What type of isolation is observed in the picture?
Behavioral Isolation
Geographic Isolation
Ecological Isolation
Temporal Isolation
Species A cricket breeds in the spring. Species B breeds in the fall. What type of isolation has occurred?
Temporal Isolation
Behavioral Isolation
Ecological Isolation
Geographic Isolation
The model depicts a single fish evolving into many other species of fish. What type of evolution has occurred?
Divergent Evolution
Convergent Evolution
Coevolution
Adaptive Radiation
In anole lizards, they use colorful dewlaps under their heads to attract females. Different species use different colors. What type of isolation has occurred?
Temporal Isolation
Behavioral Isolation
Geographic Isolation
Ecological Isolation
Isolation must first separate a population for speciation to occur. What role does natural selection play in speciation?
Natural selection brings the populations back together
Natural selection changes them until they can no longer interbreed
Speciation only need natural selection OR isolation
Natural selection works against isolation
What is the evolutionary benefit of populations living in groups such as schools, herds, or swarms?
Allows individuals to compete for resources
Increases the chances disease will spread less quickly
Increases chances of more surviving and passing down genetics
Makes them more attractive to mates
Elk have developed a herding behavior for protection against wolves. Wolves have developed a group hunting behavior to increase their chances of catching more/larger prey. What type of evolution led to these behaviors?
Convergent Evolution
Divergent Evolution
Coevolution
Adaptive Radiation
