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WorksheetsNatural selection
Total questions: 10
Worksheet time: 5mins
According to Darwin's observations, what is true about individuals within a species?
A. They are exact copies of each other
B. They show small variations between them
C. They never compete with each other
D. They always produce identical offspring
In the peppered moth example, what caused the environment to change?
A. A sudden increase in bird population
B. The Industrial Revolution and factory pollution
C. A decrease in lichen growth
D. Natural forest fires
What does "survival of the fittest" mean in evolutionary terms?
A. Only the strongest animals survive
B. The largest organisms always win
C. The most aggressive species dominate
D. Better-adapted organisms are more likely to survive and reproduce
What was Charles Darwin's main contribution to our understanding of evolution?
A. He discovered DNA
B. He invented the microscope
C. He explained how evolution occurs through natural selection
D. He created the first classification system for organisms
What did Darwin's theory suggest about all living things?
A. They were created simultaneously
B. They are connected in a family tree extending billions of years
C. They evolved independently, only one in the whole population
D. They remain unchanged over time
How did the finches on the Galápagos Islands contribute to our understanding of evolution?
C. They did not adapt to their environment
B. They showed variations in beak size and shape based on food sources
A. They were all identical species
D. They were the first species discovered by Darwin
What is the significance of the fossil record in studying evolution?
A. It provides evidence of past life forms and their changes over time
B. It shows that species have always remained the same
C. It is not useful for understanding evolutionary processes
D. It only contains information about dinosaurs
What is the primary advantage that long-necked giraffes have in their environment?
A. They can spot predators from farther away
B. They can reach higher branches for food
C. They can run faster than other giraffes
D. They can communicate better with other giraffes
In the giraffe scenario, which trait is being naturally selected for?
A. Spotted coat patterns
B. Running speed
C. Neck length
D. Body weight
Before the Industrial Revolution, what color were most peppered moths?
A) Black
B) White with green spots
C) Pale or light-colored
D) Brightly colored
