Mechanisms of Evolution

In biological terms, what does the 'theory' imply?

• A guess

• A scientifically tested concept

• A personal opinion

• A myth

What does 'fitness' mean in a biological context?

• Capability to produce many offspring

• Intelligence level

• Speed in running

• Ability to lift heavy weights

What is the primary unit of evolution in biological evolution?

• Populations

• Whole ecosystems

• Individual organisms

• Single genes

What can cause a change in the genetic makeup of a population?

• Reading books

• Building habitats

• Random chance events

• Using technology

Which of the following is NOT a mechanism of evolution?

• Natural selection

• Genetic drift

• Gene flow

• Climate change