Understanding Natural Selection

What conclusion did Darwin make about the species on the Galapagos Islands?

• They were all identical

• They had adaptations suited for their environment

• They were not suited for their environment

• They were all extinct

What specific feature of the Galapagos finches did Darwin study?

• Their wings

• Their beaks

• Their feet

• Their feathers

Why were the beaks of Galapagos finches different?

• To suit their diets on different islands

• To fly faster

• To swim better

• To attract mates

Which of the following is a key concept of Darwin's theory?

• A) Inheritance of acquired traits

• B) Natural selection

• C) Spontaneous generation

• D) Static species

Which of the following is a type of adaptation?

• Structural

• Behavioral

• Physiological

• All of the above

What does a structural adaptation involve?

• Instinctive behaviors

• Physical features

• Special functions

• Migration

What is a behavioral adaptation?

• Physical features

• Instinctive or learned behaviors

• Special functions

• Venom

Which of the following is an example of a behavioral adaptation?

• A) Long Neck

• B) Migration

• C) Venom

• D) Photosynthesis

What does a physiological adaptation allow?

• A) Physical features

• B) Instinctive behaviors

• C) Special functions within the body

• D) Migration

What is artificial selection or selective breeding?

• The natural breeding of animals

• The intentional breeding of two individuals to produce offspring with favorable characteristics

• The random selection of plants for growth

• The unintentional breeding of animals.